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Material selection and transparency:
Material selection for cosmetic bottle suits is crucial to protecting cosmetics. Different materials have different transmittances to light, oxygen and moisture. For example, glass bottle covers usually have low light transmittance and can effectively isolate ultraviolet rays, while plastic bottle covers can choose materials with lower oxygen transmittance to reduce the occurrence of oxidation reactions. The choice of transparency is also a balance, as some products may need to be protected from light, while others may benefit from transparency, being able to showcase the product's color and texture.
Sealing design:
The sealing design of the cosmetic bottle suit directly affects the isolation effect of the product from the external environment. Excellent sealing properties can effectively reduce the penetration of oxygen and moisture and avoid oxidation and decomposition of cosmetic ingredients. The improved sealing not only extends the shelf life of the product, but also helps maintain the freshness and stability of the product.
Moisture-proof performance:
Moisture is detrimental to some cosmetics and may lead to bacterial growth, product deterioration and other problems. Therefore, the cosmetic bottle suit needs to have certain moisture-proof properties. Especially in high-humidity environments, the use of materials with excellent moisture-proof properties, or the design of the bottle sleeve structure, such as adding sealing gaskets, can effectively reduce the intrusion of moisture.
Sun protection measures:
Ultraviolet rays are one of the common degradation factors in cosmetics, especially for some sensitive ingredients such as vitamin C. Therefore, the design of the cosmetic bottle suit should take into account UV protection measures to slow down the degradation of product ingredients. Some cosmetic bottle suits will use UV absorbers or add a sunscreen layer to reduce the impact of UV rays on the product.
Packaging structure design:
The overall structural design of the cosmetic bottle suit also has a direct impact on the shelf life of the product. For example, for some perfumes or spray products with volatile ingredients, using a nozzle design can reduce the contact between the product and the external environment during use, helping to maintain the freshness of the product. At the same time, the design of the bottle mouth should also conform to the characteristics of the product to prevent the entry of oxygen.
