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Ceteareths (Ceteareth-2, Ceteareth-3, Ceteareth-4, Ceteareth-5, Ceteareth-6, Ceteareth-7, Ceteareth-8, Ceteareth-9, Ceteareth-10, Ceteareth-11, Ceteareth-12, Ceteareth-13, Ceteareth-14, Ceteareth-15, Ceteareth-16, Ceteareth-17, Ceteareth-18, Ceteareth-20, Ceteareth-22, Ceteareth-23, Ceteareth-24, Ceteareth-25, Ceteareth-27, Ceteareth-28, Ceteareth-29, Ceteareth-30, Ceteareth-33, Ceteareth-34, Ceteareth-40, Ceteareth-50, Ceteareth-55, Ceteareth-60, Ceteareth-80, Ceteareth-100) are liquids to waxy solids. In cosmetics and personal care products, Ceteareth ingredients are used in skin care products, moisturizers, hair conditioners, suntan and indoor tanning products and hair dyes, colors, and tints.
WHY IS IT USED?
Ceteareth-2 to -18, and Ceteareth-22, help to form emulsions by reducing the surface tension of the substances to be emulsified. Ceteareth-22 is also used to decrease the thickness of liquid cosmetics and personal care products. Ceteareth-20 to -40 help other ingredients to dissolve in a solvent in which they would not normally dissolve, and along with Ceteareths-50 to -100, clean the skin and hair by helping water to mix with oil and dirt so that these substances can be rinsed away.
Scientific Information
Ceteareths are the polyethylene glycol esters of Cetearyl Alcohol. The properties of Ceteareths are dependent on the degree of polymerization of the polyethylene glycol segment. In cosmetics and personal care products, they are used as surfactants. Ceteareth-2 to -18 are used as emulsifying agents; Ceteareth-20 to -40 are used as solubilizing and cleansing agents; Ceteareth-22 is used as an emulsifying agent and a viscosity decreasing agent and Ceteareth-50 to -100 are used as cleansing agents.