Innovative new choice for skin care packaging, 40ml inner bag vacuum pump bottle leads the trend of sustainable beauty

In cosmetic packaging, the "oxygen-avoiding" protection of the contents has become one of the core indicators for measuring the quality of high-end skin care bottles. This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump uses advanced vacuum isolation technology to effectively isolate skin care products from the air. The entire bottle body is composed of a flexible inner bag and an external support bottle body. During the extraction process, the inner bag gradually shrinks as the contents decrease, and no reflux air is generated.

The key to this structure lies in two points:

1. Perfect fit between flexible inner bag and outer shell structure

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump adopts a very flexible inner bag design. The inner bag material has been specially treated to have excellent sealing and durability. Every time the pump head is pressed, the inner bag will naturally shrink as the contents are discharged, and fit tightly to the outer hard bottle wall to form a completely closed and airtight space. This design effectively avoids the oxidation problem caused by the entry of air into the traditional bottle body, realizes true air-free reflux, and keeps the active ingredients of skin care products stable and fresh. The outer body adopts a sturdy hard bottle body, which not only provides solid mechanical support for the inner bag to prevent deformation or rupture, but also ensures the stability and durability of the overall structure. At the same time, the bottle body feels comfortable, easy to carry and use in daily life, and is both practical and beautiful. Whether it is placed in a bag or used on the desktop in daily life, it can bring a good user experience.

2. Airtight pump head: the key to preventing air reflux

The pump head design adopts a highly airtight structure to ensure that the contents can only flow out in one direction, completely blocking the outside air from entering the bottle. The built-in advanced integrated one-way valve system maintains a stable negative pressure environment in the bottle when pressing to extract, avoiding the invasion of air, moisture and microorganisms, and fundamentally reducing the risk of skin care products being contaminated. This design not only effectively extends the shelf life of the product, but also prevents the deformation of the bottle or leakage of the pump head due to changes in air pressure in the bottle, ensuring safety and comfort during use. In addition, the smooth liquid discharge experience of the airtight pump head allows users to take it accurately and conveniently every time, improving the overall product quality. This closed and tightly sealed structure is particularly suitable for skin care products containing highly active ingredients, ensuring that the activity and efficacy of the ingredients are maximized.For skin care products with highly active ingredients (such as vitamin C, A alcohol, and peptides), the oxidation rate is very fast and will become ineffective with a slight contact with air. Usually, skin care products have a limited shelf life after opening, especially natural and preservative-free formulas are more prone to deterioration. The vacuum bottle design can extend the service life of skin care products by 30% to 50%, allowing consumers to enjoy the original high-efficiency ingredients and fresh experience of the product even if they are used repeatedly for a long time. Because the vacuum pump bottle avoids product deterioration, brands can boldly launch mild formulas with no or less preservatives to meet the needs of modern consumers for "safe and natural skin care."

1. The pain point of waste in traditional bottled products: In traditional skin care product packaging, whether it is a glass dropper bottle or an ordinary press bottle, there is a common problem: the product is difficult to completely remove in the later stage of use. About 10% or even more of the contents remain at the bottom and wall of the bottle, and users often need to shake, knock the bottle or even cut the package with tools to get the last drop of product. This not only leads to the waste of expensive raw materials, but also brings a cumbersome use experience to users.

2. Inner bag extrusion structure to achieve a liquid discharge rate close to 100%

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump adopts an innovative flexible inner bag design to solve the residual problem of traditional packaging. Its core principles include:

*Negative pressure fit inner bag: Each time you press, the pump head extracts the product from the inner bag, and the inner bag collapses tightly to prevent air from entering and maintain a negative pressure environment.

*Inner bag close to the bottle wall: The flexible inner bag can completely fit the inner wall of the bottle body, eliminating the "bottom corner dead zone" of the traditional bottle body and avoiding any product accumulation.

* No air mixing, prevent oxidation: The inner bag is squeezed to prevent air from flowing in, which protects the stability of the product while ensuring the activity and freshness of the product ingredients.

This design greatly improves the utilization rate of the contents, reduces waste caused by residues, and greatly improves the economic value of the product.

3. Compared with glass dropper bottles or ordinary press bottles, this structure has three major advantages:

* Accurate dosage control: Traditional dropper bottles or ordinary press bottles often have the problem of unstable dosage, which easily causes product waste or inconvenience in use. This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump adopts an advanced integrated pump head design, which can output accurate and stable dosage every time it is pressed, ensuring that users can scientifically and rationally control the dosage. It is especially suitable for high-efficiency essences with high active ingredient content and strict dosage management. Accurate dosage not only avoids waste caused by excessive dosage, but also helps users achieve better skin care effects, improves the use experience, and reduces the excessive consumption of products, achieving the dual effects of economy and environmental protection.

* Reduce residual dead corners: Due to the hard shell structure and bottle mouth design of ordinary bottles, "bottle corners" often appear at the bottom and edges of the bottle, resulting in the inability to completely remove the contents. Users have to shake, knock or even scrape with tools many times, causing a lot of waste. This pump bottle with inner bag design is close to the bottle wall through the flexible inner bag. As the contents gradually decrease, the inner bag shrinks synchronously and squeezes all the liquid to avoid residue. Whether it is essence or thick cream, it can achieve "almost zero residue", maximize the use of product value, reduce the economic burden of users, and also reduce the environmental pressure caused by waste, reflecting the practice of environmental protection concept.

* Suitable for high-viscosity formulas: Many high-end skin care products such as repair creams and face creams are relatively thick in texture, and ordinary bottles are difficult to discharge liquid smoothly. They often need to be shaken upside down or squeezed with fingertips, which increases the complexity of use and the risk of contamination. The design of this refillable cosmetic container 40ml inner bag vacuum bottle with airless pump optimizes the internal liquid discharge structure. Even in the face of high-viscosity formulas, the product can be easily and evenly pushed out through the pump head to ensure smooth and unobstructed use. Users can easily obtain the required amount without additional actions, which improves the overall convenience and comfort of use.

Hygiene and safety, care for sensitive skin

During the use of skin care products, the source of pollution often comes from repeated opening of the lid, hand contact or bacterial invasion in the air. Especially for sensitive skin, infant skin or medical-grade skin care products, any tiny contamination may cause allergies, inflammation or failure. Therefore, the hygienic sealing of the packaging container becomes the key.

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump specially adopts the "no back suction" pump head mechanism. Every time it is used, it only pushes the product in the bottle outward without sucking in any air. A one-way valve is installed in the pump head to ensure that the cavity is immediately closed after use to prevent external air, dust, moisture or bacteria from entering the bottle.

Three major advantages of the vacuum pump bottle structure over traditional glass dropper bottles and ordinary press bottles:

1. Accurate dosage control - the key guarantee for efficient skin care

In the process of skin care, it is particularly important to accurately control the amount of product used each time to ensure the skin care effect. Although the traditional glass dropper bottle has a delicate appearance and is widely used, its dosage is greatly affected by the operator's subjective influence. The length, tilt angle and even the dripping speed of the dropper will cause the volume of each drop to be inconsistent, resulting in some users "dropping too much" and wasting, or "dropping too little" and failing to achieve the desired effect. This uncertainty is particularly prominent when using expensive and complex formula essences.

In contrast, ordinary press bottles improve the convenience of use and dosage control to a certain extent through the design of mechanical pump heads, but due to the sealing and air pressure balance problems between the pump head structure and the bottle body, the output may still fluctuate, and for products with high viscosity formulas or containing multiple active ingredients, the pumping efficiency and dosage stability are often affected, and it is difficult to ensure that each press is accurate and consistent.

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump adopts an advanced sealed pump head design, equipped with a one-way valve and an inner capsule extrusion structure, which realizes the stable maintenance of the airtight environment inside the pump head. Each time you press, the inner capsule contracts evenly to ensure that the outflow is fixed and no excess air enters the bottle, thereby avoiding dripping or backflow caused by changes in air pressure. This structure makes the pump output highly consistent, and users do not need to guess or adjust the dosage, and can accurately grasp the skin care dosage required each time. It is particularly suitable for the standardized use of high-concentration active essences, anti-aging ingredients or medical beauty skin care products.

Precise dosage control not only reduces product waste and reduces skin care costs, but also avoids skin burden and effect fluctuations caused by improper dosage, helping users achieve ideal skin care effects. At the same time, brands can also improve the professional image of products and user trust through this stable and reliable dosage output, and enhance consumer loyalty and repurchase rate to the brand.

2. Reduce dead corners of residues - improve product utilization and reduce waste

Many traditional bottle types have the problem of "dead corners of bottles", that is, the product cannot flow out smoothly in the corners or bottom of the bottle, resulting in residues that are visible to the naked eye but difficult to access. In particular, the bottom shape of the glass dropper bottle is fixed. If the liquid is viscous, it is difficult for the dropper to completely absorb the product at the bottom of the bottle, resulting in serious waste. If there is no inner bag design for ordinary press bottles, it is difficult to completely discharge the product inside the bottle due to structural limitations, especially the hard shell of the bottle makes it difficult for the liquid in the bottle to be squeezed and deformed with the pump head. The vacuum pump bottle adopts a flexible inner bag design that fits the bottle wall tightly. The inner bag will shrink as the contents are pumped out. There is no dead corner in the bottle to avoid the accumulation of residual liquid. This not only maximizes the utilization of products and reduces the waste of "visible but unusable", but also greatly saves users' procurement costs, especially for products with expensive prices or precious active ingredients.

3. Suitable for high-viscosity formulas - smooth liquid discharge, good user experience

High-viscosity formulas such as creams, repair creams, and concentrated essences are often difficult to meet the needs of smooth liquid discharge with traditional packaging due to their heavy texture. In particular, the slender dropper tube of the traditional glass dropper bottle limits the flow rate of thick liquids, making it difficult for users to absorb when using it. They need to shake the bottle repeatedly or wait for a long time, which is time-consuming and easy to cause inaccurate dosage. In addition, if the ordinary press bottle does not adopt the inner bag design or the pump head is not well sealed, it is not only easy to cause liquid reflux or leakage when squeezing, but also may require the bottle to be inverted, which increases the difficulty and inconvenience of use.

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump successfully overcomes the problem of high-viscosity formula discharge through the close fit between the inner bag and the outer shell and the highly airtight pump head system. The inner bag gradually shrinks as the contents are discharged, ensuring that the liquid is fully squeezed and no dead corners are left. With the precision-designed one-way pump head, even thicker cream-like substances can be pumped out stably and evenly without additional shaking or inversion. This not only ensures a stable dose of liquid each time you press the button, but also improves the smoothness and extensibility during application, making the user experience more comfortable and natural when using it.

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump provides a practical solution for achieving environmental protection goals through its refillable structural design. Traditional disposable plastic packaging is directly discarded after use, and long-term accumulation has caused a serious burden on the environment. The product adopts a detachable pump head and a replaceable inner bag structure, so that users do not need to replace the entire packaging after using the contents. They only need to replenish the inner bag or refill it to continue using it, which greatly reduces the waste rate of plastic.

Its environmental advantages are reflected in many aspects:

1. Reduce the use of disposable plastics: reuse the outer shell to reduce resource consumption

Traditional cosmetic packaging is usually used once and is discarded after each use. In contrast, this refillable cosmetic container 40ml inner bag vacuum bottle with airless pump adopts a detachable structure, and the outer shell of the bottle can be reused. You only need to replace the inner bag or refill the contents. This design greatly reduces the dependence on new plastic raw materials and saves energy and manufacturing costs. Especially in the context of increasingly stringent environmental regulations and increased consumer environmental awareness, this design is conducive to brands achieving lower environmental impact indicators and helping to create a green production chain.

2. Extend the life cycle of product packaging: reduce carbon footprint through recycling

Through the mechanism of refillability and multiple use, the life cycle of the product packaging is effectively extended to several times or even more than ten times. From the perspective of carbon footprint, the carbon emissions of a single package can be spread out according to the number of unit uses, significantly reducing the overall emission level. For brands, this is not only to fulfill social responsibilities, but also to gradually become a mandatory compliance requirement in advance worldwide, especially in the export to Europe, the United States, Japan, South Korea and other regions with strict green standards.

3. Upgraded user experience: environmental protection while also bringing a higher-end sense of sustainable use

The refillable design is not only environmentally friendly, but also a manifestation of a sense of luxury and technology. When users refill the product, they will feel the brand's attention to environmental protection details, and will also enhance the "sense of participation" and "sense of responsibility" during use. The bottle has a stable structure, precise pump output, and a stylish appearance. It is not easy to damage after long-term use. It not only extends the use cycle, but also improves the product's texture and brand grade. This type of "efficient and environmentally friendly" packaging is gradually becoming the mainstream configuration of mid-to-high-end skin care products.

4. Adapt to multiple brands and multiple formulas: The same bottle can be used for different types of essences and lotions, and is more suitable for brands to launch "replacement packs" or "environmentally friendly series"

The bottle has good versatility and compatibility, and the adaptation range ranges from light and thin essences to thicker lotions and repair creams. It can be used without obstacles. One bottle can be used for multiple purposes and has strong reusability. This allows brands to launch multi-formula combinations, replacement kits or environmentally friendly gift boxes with the same bottle, such as "sustainable skin care series" and "essence replacement cores", etc., to enhance the scalability and repurchase stickiness of the product, while saving logistics and warehousing costs. Especially for beauty brands or OEM customers operating in multiple categories, this modular packaging has more scale benefits.

This design not only helps consumers practice environmentally friendly consumption, but also brings new value growth points to the brand. More and more consumers are willing to pay for environmental protection concepts. If brands can provide sustainable solutions on the packaging side, it will greatly enhance the brand image and market favorability.

For the European and American markets that focus on "low carbon footprint" and "zero waste", this type of packaging has more export competitive advantages and is an ideal choice that meets the EU green standards and ESG strategy. For brands that want to create an environmentally friendly skin care series, this product is undoubtedly a high-quality carrier that combines functionality and social responsibility.

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump is not only advanced in structure, environmentally friendly and energy-saving, but also shows strong multi-scene and multi-texture adaptability in actual applications. Its compact and lightweight bottle design combined with a high-sealed air pressure pump structure enables it to easily cope with cosmetics and skin care products of different viscosities and dosage forms.

1. Essence: Precise output of highly active small molecules

For light and thin essences, the pump bottle can achieve micro-precision output, and the pump pressure is uniform and consistent each time. It is suitable for high-concentration formulas of vitamin C, niacinamide, hyaluronic acid and other ingredients, avoiding excessive waste and improving use efficiency.

2. Lotions: Smooth pumping with medium viscosity

For regular viscosity products such as daily moisturizing lotions and allergy-resistant repair lotions, the pump head has good negative pressure push force and resilience, and the pumping is smooth and not stuck, making the user experience more convenient and natural.

3. Sunscreen: Stable closure and extended activity

Sunscreen products are particularly particular about stability and antioxidant capacity. The vacuum pump bottle can effectively block ultraviolet rays from contacting the air and maintain the long-term stability of sunscreen active ingredients. At the same time, the 40ml capacity is suitable for daily portable re-application, especially suitable for travel scenarios.

4. Eye care products: precise dosage, anti-pollution

Products such as eye cream and eye essence that need to control dosage and avoid contamination can achieve quantitative hygienic output with the support of this pump bottle, protecting the delicate eye area from bacteria or oxidative components.

5. Dual application for travel and daily replacement

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump not only performs well in structure and function, but its capacity and size design also fully considers the flexibility and convenience of consumers in multiple scenarios, perfectly realizing both "home use" and "carry-on".

*Meet the international aviation carry-on standard: The 40ml capacity is controlled just right, not only enough to meet the needs of daily skin care, but also fully complies with the regulations on international flights that liquids cannot exceed 100ml. Whether it is a short business trip, a weekend trip, or an outdoor photo shoot, or post-fitness care, users can safely put it in hand luggage or a backpack without worrying about security restrictions or product spills.

* Ideal as a replacement for the full-size: This product allows users to continue using the outer shell by simply replacing the inner bag or refilling the contents after the full-size is used, which is both environmentally friendly and economical.

* Flexible switching between home and travel scenarios: The compact 40ml bottle will not take up too much space on the family dressing table, and is convenient for storage, achieving the perfect combination of "large capacity at home + portable for travel". For skin care products with high frequency of use, such as day cream, essence, sunscreen, etc., this configuration of "one bottle at home and one bottle in the bag" can greatly improve the convenience of use.

This refillable cosmetic container 40ml inner bag vacuum bottle with airless pump was designed with full consideration of the differences in skin care habits and usage scenarios of different user groups, and achieved a comprehensive balance in terms of capacity, structure, safety and portability, truly achieving the goal of "one bottle for multiple uses, one body for multiple needs".

1. Family skin care users: daily use, cost saving

For family users with more daily skin care needs, the cost-effectiveness and ease of use of the product are particularly important. The vacuum pump structure of the bottle is combined with the inner bag system with almost zero residue to ensure that every drop of skin care products can be fully used, eliminating waste and saving daily household expenses. It is especially suitable for basic skin care products such as maternal and child care, household regular moisturizing lotion, and facial repair essence.

2. Business trips/travelers: light and worry-free

Modern people live at a fast pace, and frequent business trips have become the norm. The exquisite design of this 40ml bottle not only meets the aviation carrying regulations, but also has good sealing, leak-proof and pressure resistance. Even if it is placed in a suitcase or carry-on bag, there is no need to worry about liquid leakage. It is especially suitable for business travelers who need to take it on airplanes, trains, high-speed railways and other scenes. Whether it is skin care in the morning or re-applying in the afternoon, it can meet skin care needs at any time.

3. High-end skin care people: precise quantification to ensure freshness and hygiene

For high-end users who buy high-concentration skin care products and active ingredient essences, they pay more attention to the freshness and hygiene of the products. This vacuum pump bottle can effectively isolate the air, delay the oxidation of active ingredients, and accurately control the dosage of each use through one-way pump pressure. It is especially suitable for high-priced and fine-dosage essence products, anti-aging formulas, medical-grade skin care, etc.

4. Professional skin care institutions/beauty salons: safe packaging and professional image

For professional institutions such as beauty salons and skin management centers, this packaging not only meets high standards of hygiene and packaging safety requirements, but also has a unified and simple appearance, and can be affixed with customized labels to shape the brand image. It is very suitable for the packaging and supporting use of professional line products such as experience packs, treatment products, and postoperative repair series

5. Sports and fitness people: portable and durable, hydrating and skin care at any time

For people who exercise frequently or engage in outdoor activities, the portability and durability of skin care products are particularly important. The 40ml vacuum pump bottle is compactly designed and has good anti-fall performance. It can resist possible squeezing and collision during exercise, and is convenient to carry with you, meeting the needs of timely hydration and skin repair after exercise. At the same time, the strong sealing prevents product leakage, making it safer to use.

6. Users with sensitive skin: safe and hygienic, avoiding secondary pollution

Users with sensitive skin have extremely high requirements for the hygiene of the product. This vacuum pump bottle adopts a non-return pump head design to eliminate secondary contact between air and hands, effectively avoid bacterial contamination, and ensure a safe and pure skin care experience every time it is used. It is especially suitable for infant care and sensitive skin special product packaging.

7. Gift and customization market: high-end texture to meet personalized needs

With the rise of personalized consumption trends, the demand for brand gift packaging and customized services continues to grow. The bottle has a simple and generous appearance, excellent texture, and is easy to be personalized and customized for printing or labeling to meet the differentiated needs of different brands. Whether as a holiday gift, limited edition packaging, or a customized skin care set, it can enhance the brand image and user satisfaction.

The bottle body and pump head of this refillable cosmetic container 40ml inner bag vacuum bottle with airless pump are made of high-quality polypropylene (PP) material, which is a high-performance material widely recognized in the field of cosmetic packaging. It has multiple advantages such as environmental protection, safety, durability and beauty, and fully reflects the comprehensive standard of modern skin care packaging "practical + sustainable + appearance".

1. Safe and non-toxic, in line with international cosmetic packaging standards

PP material is non-toxic and odorless, does not contain harmful ingredients such as bisphenol A and phthalate plasticizers, and is widely used in food-grade and pharmaceutical-grade packaging. It is particularly suitable for skin care products, especially those for sensitive skin and infants. PP also has good biological inertness and will not react chemically with the skin care products in the bottle, ensuring that the contents are stable and safe to use.

2. Excellent chemical resistance and mechanical strength

Polypropylene, as a high-performance plastic material, is widely favored in the field of cosmetic packaging, mainly due to its excellent chemical stability and mechanical properties. These characteristics ensure the long-term safety and durability of product packaging in complex environments, and are especially suitable for skin care product formulas with complex active ingredients.

PP materials have good acid and alkali resistance and oil resistance, and can resist the erosion of various common ingredients in skin care products, such as:

*Alcohol ingredients: Many toners and essences contain a certain proportion of alcohol, and the PP bottle will not soften or break due to alcohol erosion.

*Essential oil active substances: Essential oil ingredients are more sensitive to the swelling and degradation of plastic materials, and the oil resistance of PP effectively prevents the material from swelling and deformation.

*Antioxidants and other active ingredients: Highly active ingredients such as vitamin C, retinol, and peptides will not damage the PP material during long-term storage.

These excellent chemical resistance properties ensure that the bottle will not react adversely with the internal products, prevent the packaging material from releasing harmful substances, and ensure the user's safety and stable product quality.

PP material has high toughness and strong impact resistance, and is one of the representatives with excellent mechanical properties in the plastic family. Specifically:

* Anti-extrusion deformation: Whether it is stacked for packaging and transportation or squeezed in the hands of users, the bottle body can maintain a stable shape to prevent deformation from causing pump head failure or product leakage.

* Strong anti-drop ability: The PP bottle body is not easy to break or crack due to accidental drops in daily use, which improves the durability of the packaging and the safety of the product.

* Good wear resistance and surface hardness: Even after multiple openings and closings and friction, the surface of the bottle body remains smooth and has no obvious scratches, maintaining the brand image.

This high mechanical strength not only improves the safety of the logistics link from the factory to the hands of consumers, but also ensures a good experience for consumers in daily use, reducing the losses and troubles caused by packaging damage.

3. Recyclable material, helping environmental protection cycle

Polypropylene is a recyclable plastic material that can be recycled in most parts of the world, making it easy to enter the environmental recycling system. In the context of promoting low-carbon consumption and green production, choosing PP as the main packaging material can effectively reduce the long-term impact of products on the environment, which is in line with the brand's long-term strategy of practicing sustainable development.

4. Simple and modern shape, taking into account both practicality and beauty

PP material is easy to process and supports a variety of surface treatment processes, such as frosting, matte, silk screen, electroplating, etc. The brand can create a unique visual style according to the product positioning. The bottle design has simple and smooth lines, and the pump head and the cover are in a coordinated proportion. While satisfying the comfortable feel and convenient operation, it also improves the texture of the overall appearance, which is suitable for the construction of a simple and high-end style skin care brand image.

5. Material is concept, packaging is attitude

Choosing high-quality PP is not only responsible for product safety and quality, but also a reflection of the brand's deep thinking on environmental protection, user experience, and long-term use value. In an era that emphasizes "ingredient safety", the choice of packaging materials is also becoming an important basis for consumer decision-making.