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What is the most frequently used cosmetic ingredient
Water
What does water act as in cosmetic formulations
A vehicle and solvent
What are emollients
Fatty materials derived from oils or fats used to lubricate and moisturize the skin
How do emollients work
They lie on top of the skin or penetrate slightly to trap moisture
What are examples of emollients
Oils, silicones, fatty acids, fatty esters, fatty alcohols