Thioctic (Alpha Lipoic) Acid
molecular structure · PubChem
AKA: Alpha Lipoic Acid
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
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR