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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52.surfactant_1

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Surfactant
Surface tension
Interfacial tension
Solubilization

surfactant_1

 A surfactant is briefly defined as a material that can greatly reduce the surface tension of water when used in very low concentrations.
The surface of a material has the internal and external particles in a space. The interface will has two different phases. For example, the shape of a drop of water is spherical due to the interface of air and water separates the two substances and internal force of water pulls the surface particles of water. This phenomenon also happens to the immiscible liquids. It is called interfacial tension.

One substance that can help two materials like water and oils mix together also reduces the interfacial tensions. It is surfactant. The applications will be in cosmetics, detergents, and so on.    

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