No fungal-acne, pore-clogging, fragrance or drying-alcohol flags for Retinol(0.1%) in our reference data. It is commonly flagged for caution in pregnancy — confirm with your own doctor.
Retinol is a vitamin A derivative that is converted in the skin to retinoic acid, promoting cell turnover, stimulating collagen synthesis, and improving signs of photoaging and acne. At 0.1% it is a moderate-strength over-the-counter concentration.
| Reported effect | How often | Notes |
|---|---|---|
| Dryness and flaking | Common | Often appears during initial weeks of use as skin adjusts (retinization). |
| Erythema (redness) | Common | Mild transient redness, especially with frequent application. |
| Irritation, stinging or burning | Common | More likely on sensitive skin or with overuse. |
| Increased photosensitivity | Common | Skin may become more sensitive to UV; daytime sunscreen advised. |
| Peeling and scaling | Uncommon | Visible exfoliation usually subsides with reduced frequency. |
| Contact dermatitis | Rare | Allergic or irritant reaction in predisposed individuals. |
| Hyperpigmentation or post-inflammatory changes | Rare | Possible in darker skin tones following irritation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.