Thioctic (Alpha Lipoic) Acid
AKA “Alpha Lipoic Acid”
Acid
Ingredient Facts
Thioctic (Alpha Lipoic) acid
AKA: Alpha Lipoic Acid
Acid · Antioxidant · EWG: 4
Synthetic
Antioxidant
Acid
Not Clean
Thioctic (Alpha Lipoic) Acid is a cosmetic ingredient used as antioxidant.
Formula
C8H14O2S2
Mol. Weight
206.3
CAS #
1077-28-7
Form
Liquid
State
Solid
See origin →
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Reduces Inflammation
Brightens Skin
Fights free radical damage
Traditional Use
First isolated in 1951 as a mitochondrial cofactor in cellular metabolism. Its antioxidant properties in skincare were discovered in the 1990s when researchers recognized its ability to regenerate other antioxidants and reduce oxidative damage.
Skin Types
●all-skin-types
Best For
Wrinkles
Pregnancy & Breastfeeding Safe
Caution
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR