Stearic Acid is a common amino acid used in the production of skin care, hair care, soap and shaving products. A fatty acid found primarily in animal derivatives, but also in vegetable fats, it functions as a lubricant, surfactant and emulsifier.

Stearic acid’s structure (being an 18-carbon chain fatty acid) allows it to help improve the texture and consistency of other products. It can help make skin/hair/household products solid and improve the ability of them to mix with water (which is usually difficult since oil/water do not combine well).