80.Restricted ingredients in cosmetic and skin care products

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Restricted ingredients in cosmetic and skin care products by regulation. Ingredient Potential toxicity Hexachlorophene Neurotoxic effects Ability to penetrate human skin Mercury compounds Accumulation in the body Skin irritation Allergic reactions Neurotoxicity Bithionol Photocontact sensitization Halogenated salicylanilides Photocontact sensitization Chlorofluorocarbon propellants Hazardous to human health Chloroform Plausible carcinogenicity Vinyl chloride Plausible carcinogenicity Zirconium-containing complexes Lung toxicity Methylene chloride Plausible carcinogenicity help to find the specific skincare product ingredients by "skin+" App.
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32-.The ingredients of cosmetics and skincare products_dermis

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The ingredients of cosmetics and skincare products_dermis

People care about the wrinkles on their face. The reasons that caused wrinkles is aging. So the cosmetic and skin care industry adds the ingredients to simulate the material in the dermis.
The ingredients of cosmetics are usually similar to the substances inside the skin due to easy absorption. The following is the ingredients of cosmetics and skin care products.
The macromolecule in dermis
l   Collagen
Collagens in human body exist in many different types. However, collagen in cosmetics should be hydrolyzed collagens for easy abortion in dermis. Only the low molecular weight of macromolecules could go through the gap of barriers and reach dermis.  
l   Elastin
It is water-soluble substances and full of Lysine.
l   Melanine
It consists of melanocytes and can prevent the UV.
l   Keratin
It is similar to the collagen that needs to hydrolyze to low molecular weight. Then it will interact with skin as amino acids. 
l   Mucopoly-Saccharides
One of famous mucopoly-saccharides is hyaluronic acid which is a water-soluble substance. It maintains the hydration of connective tissue and elasticity of skin. Otherwise, the high hydration can absorb 400 times of water. It is made of umbilical cord of human, crest of rooster, and the of trachea of calf.

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