Special packaging for cosmetics

Some cosmetics require special packaging to ensure the activity of the ingredients because of the special ingredients. Special packaging commonly used dark glass bottles, vacuum pumps, and vials like ampoules.

Here is the content list:

• Special packaging cosmetic bottle

• Store cosmetic products according to ingredient requirements

Special packaging cosmetic bottle

Dark glass bottle

After the photosensitive ingredients in cosmetics are oxidized by ultraviolet rays, they will not only lose their activity, but also lose their effect, and even cause sensitization and toxicity. For example, ascorbic acid and ferulic acid are prone to photolysis and oxidation, and vitamin A alcohol and its derivatives furocoumarin have photosensitivity and phototoxicity. To avoid the components that are decomposed and oxidized by ultraviolet light, packaging needs to be protected from light. Generally, dark opaque glass bottles are used as packaging materials, and dark brown glass bottles are the most common. To ensure ease of use and product hygiene, dark glass bottles are often used with droppers. Cosmetics brands that focus on active ingredients often use dark glass bottles to ensure the ingredients are effective.

It should be noted that while dark glass bottles are used to protect from light, they can be used purely for packaging. Some cosmetic ingredients are free of photosensitive ingredients, but brands are using the same packaging to appeal to consumers.

Vacuum pump

The dark glass bottle provides good shading, but only completely isolates the air before use. They are not suitable for ingredients that require more air isolation (antioxidants like ubiquinone and ascorbic acid) and oils that are prone to oxidation (like shea butter). A vacuum pump can be used if the product ingredients have higher requirements on the tightness of the package. The vacuum pump generally uses AS material, and its significant advantage is that the content can be well isolated from the outside air. The vacuum pump has a piston at the bottom of the bottle. When the pump head is pressed, the piston at the bottom of the bottle moves upward, the content flows out, the bottle space is reduced, and the air does not enter.

Ampoule

Vials like ampoules are one of the most popular inner packaging materials in the cosmetic industry in recent years, and their sealing and safety are worthy of attention. The concept of ampoules in the cosmetic industry comes from ampoules in the medical industry. The ampoules keep the active ingredients sealed, single-use, and shielded from air and contaminants, ensuring product hygiene. Additionally, glass vials can be made in a dark color, giving them good protection from light. Aseptically filled, single-use ampoules are paraben-free, providing a new option for consumers with extremely sensitive skin or who do not wish to use preservative-containing products.

Store cosmetic products according to ingredient requirements

While inner packaging like glass vials can help maintain cosmetic stability and active ingredients, consumers need to follow directions after purchasing a product to further extend the product's lifespan. Cosmetics with special needs, such as avoiding direct sunlight, dry places, etc., will be marked on the outer packaging. Many active ingredients in cosmetics are not stable, and the properties of products are prone to change under high or low-temperature conditions. Active substances such as vitamin A, peptides, enzymes, etc., may change color and fail at high temperatures and are suitable for low-temperature storage. However, just because the active ingredient is unstable does not mean the product is unstable. Some water-based or purely oil-based cosmetics may freeze or crystallize if the room temperature is too low, and may delaminate at low temperatures if the formulation is low in emulsifier. In this case, the product can be properly heated or stored in suitable vials.

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