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Cosmetics Glossary (5)

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Hydrolysis
Hydrolysis is a chemical process in which water is used to break a compound down into a simpler compound. Hydrolysis is used in making emulsions so they penetrate the surface layers of the skin. A hydrolyzed ingredient refers to the process by which an ingredient's molecule has been changed to a significantly smaller size to penetrate the surface of the skin.
 
Hydrophilic
Describes a substance that absorbs, dissolves in or is attracted to water.
 
Hydroquinone
Hydroquinone is a white crystalline compound used in skincare products as a bleaching agent.
 
Hyperpigmentation
Hyperpigmentation is a skin condition caused by ultraviolet light from the sun, which darkens the skin.
 
Jojoba
Jojoba is a multi-purpose substance, used as a moisturizer, as well as to reduce wrinkles and stretch marks.
 
Karite
Karite is a natural ingredient that keeps the skin healthy. See Shea Butter.
 
Keratin
Keratin is the natural substance that gives nails and hair their resiliency.
 
Keratinization
Keratinization is the formation of harder, scalier skin patches caused by dead skin cells building up on the surface and being glued down with sebum or oil. Gently exfoliating with physical or chemical exfoliants allow you to remove these dead skin cells and reveal the newer skin cells beneath them.
 
Kojic acid
Kojic acid is used to lighten the color of the skin.
 
L-Ascorbic Acid
Natural Vitamin C. See Ascorbic Acid Polypeptides.
 
Lactic acid
Lactic acid is a natural ingredient in the body that moisturizes the skin. Lactic acid is a member of the family of Alpha Hydroxy Acids. It is odorless and colorless and made from the metabolism of glucose and glycogen in blood and muscle tissue. It is also present in sour milk, beer, pickles and sauerkraut as well as any food made by bacterial fermentation.
 
Lanolin
Lanolin is a fatty substance made from wool that moisturizes and emulsifies, as well as absorbs water.
 
Lead Carbonate
A naturally occurring white amorphous powder with a chemical formula of PbCO3. Used in exterior paints, ceramics, cements, processing of parchment and as a laboratory reagent.
 
Licorice
Licorice, in its natural form (not the kind we eat), is good for treating acne and soothing skin irritated by allergies.
 
Lipophilic
Describes a substance that dissolves in or is attracted to fats, oils or other lipids. Lipophilic functional groups or molecules prefer to be in an environment where there is no water.
 
Malic acid
Malic acid comes from raw fruit, like apples, cherries and tomatoes, and is used as a glycolic agent.
 
Mallow
Mallow is a softening agent made from plants that helps reduce inflammation, age lines, and eye swelling.
 
Melanin
Melanin is the dark pigment in hair and skin.
 
Moisturizer
In cosmetics, a moisturizer; moisturizer is a cream that hydrates the skin. Colosť makes a wide selection of moisturizing milks for all skin types.
 
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