Vitamin A and its derivatives (retinoids) regulate skin cell proliferation and differentiation, boosting collagen production and normalizing keratinization. They are widely used to treat photoaging, acne, and uneven skin tone.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation, redness, and dryness | Common | Especially during initial weeks of use; often subsides with continued use or reduced frequency. |
Peeling and flaking | Common | Reflects increased cell turnover; mitigated by lower concentrations and gradual introduction. |
Increased photosensitivity | Common | Skin becomes more sensitive to UV; daily sunscreen use is recommended. |
Burning or stinging sensation | Uncommon | More likely with higher-strength prescription retinoids or sensitive skin. |
Purging (temporary acne flare) | Uncommon | Transient increase in breakouts as skin adjusts. |
Contact dermatitis or allergic reaction | Rare | Hypersensitivity to the ingredient or formulation. |
Teratogenic risk with systemic/high-dose exposure | Rare | Oral retinoids are contraindicated in pregnancy; topical use is generally advised against during pregnancy as a precaution. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.