Diacetone alcohol appears as a clear colorless liquid with a pleasant odor. Flash point below 141 °F. Less dense than water. Vapors heavier than air.
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Perfuming
Dissolves other ingredients
Traditional Use
Organic solvent first synthesized in the late 19th century. Adopted by the cosmetics industry in the mid-20th century as a solvent and humectant to improve product stability and hydration.