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Creatine—This is an amino acid that is present in vertebrate muscular tissue.

Crimson Sea Copper—A blend of ocean nutrients combine in Crimson Sea Copper to bathe and protect skin with intense hydration while helping darkening skin’s existing melanin.

Cromoist WHYA (Hydrolyzed Wheat Protein and Hyaluronic Acid)—A moisturizer, skin conditioner, anti-aging agent and lubricant.

Crosilk 10,000 (Hydrolyzed silk)—A powerful moisturizer and film-former. It binds to skin and imparts a silky feel.

Crosspolymer/dimethicone—This ingredient is a silicone derivative in the form of a flowing three-dimensional liquid. The material imparts a cushiony, slippery tactile property to cosmetic formulations. It gives skin a smooth, silky finish and imparts excellent spreadability characteristics to creams and lotions.

Crushed Pearls—Crushed pearls nourish and revitalize the skin with minerals and age-fighting amino acids, delivering a healthy-looking glow and luster to the skin.

Cucumber Extract—Also known as Cucumis Sativus, cucumber, which has a high content in water, has moisturizing, purifying and refreshing properties. The fresh pulp has soothing properties and is therefore often used externally to treat superficial skin disorders such as rashes or skin inflammations. It is commonly used in face creams for dry, sensitive skin and in after-sun products.

Cucumber Oil—See Cucumber Extract

Cucumis Sativus Extract—See Cucumber Extract.

Curcuma Lunga Extract—See Turmeric Extract.

Cyclic AMP—This ingredient is a key intracellular regulator of a number of cellular processes and is found in most animal cells and in some higher plants.

Cyclomethicone—Cyclomethicone gives excellent spreadability characteristics to creams and lotions. See also Crosspolymer/dimethicone.

Cyclopentasiloxane—A carrier and emollient.

Cymbidium Grandiflorum Flower Extract—More commonly known as Orchid Oil, this ingredient is an infusion of cultivated Cymbidium orchids in a vegetable emollient base. Orchids are used in cosmetics for their moisturizing and anti-aging properties.