Chlorhexidine Digluconate Good Preservative No known benefits Chlorhexidine Digluconate at a glance Preservative used in cosmetics to prevent contamination, particularly in water-based formulas Helps thwart unwanted odors changes within the formulation Deemed safe in concentrations of 0.2% or lower Clear, pale yellow liquid in raw material form Also used in the medical field as a disinfectant Chlorhexidine Digluconate description Chlorhexidine digluconate is a preservative used in cosmetics to prevent contamination, particularly in water-based formulas. It also helps thwart unwanted odors changes within the formulation. The Cosmetic Ingredient Review Expert Panel deemed chlorhexidine digluconate safe in concentrations of 0.2% or lower, which is within the typical usage levels suggested by cosmetic suppliers of this ingredient. It has weak activity against fungi and is not compatible in formulas that contain carbomers, gums, and soap ingredients. Chlorhexidine digluconate is a clear, pale yellow liquid in raw material form. Chlorhexidine digluconate is also used in the medical field as a disinfectant, particularly to sanitize pre-surgical sites of skin.