Ferric Citrate

Ferric Citrate

AKA “Iron(III) citrate, 3522-50-7, Zerenex, 28633-45-6, ferrum citricum, Fexeric, Iron citrate, FeC6H5O7, Iron(III) citrate tribasic, Iron(III)-citrate”

Skin Conditioning

Ingredient Facts

Ferric citrate

AKA: Iron(III) citrate, 3522-50-7, Zerenex, 28633-45-6, Ferrum citricum, Fexeric, Iron citrate, FeC6H5O7, Iron(III) citrate tribasic, Iron(III)-citrate

Skin Conditioning · Skin Conditioning · EWG: 3

Synthetic

Skin Conditioner

Not Clean

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

See origin →

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.