1,2,3-Propanetricarboxylic acid, 2-hydroxy-, iron (3+) salt (1:1)
Effective at 0.75%
Formula
C6H5FeO7
Mol. Weight
244.94
CAS #
3522-50-7
Form
Liquid
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A synthetic iron compound developed in the 20th century for pharmaceutical and cosmetic use. It serves as a colorant and iron supplement in modern formulations, with no traditional historical use in skincare or medicine.