Vitamin F is a term for essential fatty acids, primarily linoleic acid and alpha-linolenic acid, used in skincare to support the skin barrier and reduce transepidermal water loss. It helps maintain ceramide production, suppleness, and hydration in dry or compromised skin.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or stinging | Uncommon | Usually in sensitive or broken skin, often formulation-related. |
| Contact allergic reaction | Rare | Possible sensitization to the oil source or accompanying excipients. |
| Comedogenicity / breakouts | Rare | Some carrier oils high in oleic acid may aggravate acne-prone skin. |
| Lipid oxidation causing redness or odor sensitivity | Very rare | Unsaturated fatty acids can oxidize if poorly preserved. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.