Tetrahexyldecyl ascorbate is a stable, oil-soluble derivative of ascorbic acid (vitamin C) used in skincare for its antioxidant activity and potential to support collagen synthesis and brighten skin. It penetrates skin well and is more stable than pure L-ascorbic acid.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient irritation or stinging | Uncommon | More likely at higher concentrations or on sensitive skin. |
Erythema (redness) | Uncommon | Usually mild and temporary upon application. |
Allergic contact dermatitis | Rare | Sensitization is infrequent but possible with any cosmetic ingredient. |
Acne or comedogenic reactions | Rare | Possible in oil-rich formulations due to the lipophilic ester base. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.