DECYLENE GLYCOL
Decylene Glycol, also called 1,2-decanediol, is a straight-chain diol with ten carbon atoms. It is the same substance that may appear on an ingredient list as 1,2-decanediol, so those two names do not identify different active ingredients in a product.
DECYLENE GLYCOL: what it is
Decylene Glycol, also called 1,2-decanediol, is a straight-chain diol with ten carbon atoms. It is the same substance that may appear on an ingredient list as 1,2-decanediol, so those two names do not identify different active ingredients in a product.
Its two alcohol groups sit at one end of the chain, placing it among the 1,2-alkanediols. Within that family, Decylene Glycol differs from shorter analogues because it is a solid and dissolves in cosmetic esters rather than water. That distinction is relevant when a formula is built around an oil phase.
DECYLENE GLYCOL: what it does in cosmetics
In cosmetics, Decylene Glycol is used for skin conditioning. In everyday terms, that means it can contribute to a softer, more comfortable feel on the skin's surface; it does not make the ingredient a treatment for a skin condition.
Laboratory work on 1,2-alkanediols has found antimicrobial activity. For 1,2-decanediol, however, the same research reported poor performance when it was tested alone as a preservative system in an emulsion. Seeing it on a label therefore does not show that a product treats acne or that it can replace an appropriate preservation system.
Products containing this ingredient
See which products include it and the name used in each composition.
