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Out of cosmetic field, Triethyl Citrate is used as a food additive (E number E1505) to stabilize foams, especially as whipping aid for egg white.
In cosmetic, it is classified as :
- Hydrovance stabilizer against pH drift in formulations
As deodorant, according to Cognis technical data sheet of Hydagen CAT, Triethyl Citrate principle of action is based on a pH value dependent reversible inhibition of the enzymatical degradation of sweet ingredients, epidermal residues and skin surface fat, so that bad-smelling degradation products cannot develop.
National Starch, supplier of the active ingredient “Hydrovance”, gives several tips to stabilize this molecula. One of them is the use of low molecular weight esters, among which Triethyl Citrate gives good results.