Encyclopedia
Vitamins
Vitamin A (Retinol)
The gold standard of skincare actives — accelerates cell turnover and reduces visible aging.
Vitamin A, in its topical form as retinol, is the most-researched anti-aging ingredient in dermatology. In men's grooming, retinol serums are the go-to nighttime product for reducing fine lines, fading sun damage, and softening the deep creases that come from squinting outdoors.
Key Facts
- ›Most-researched anti-aging ingredient in dermatology.
- ›Best applied at night on clean skin.
- ›Start at 0.25% concentration to avoid irritation.
- ›Never combine with AHA/BHA in the same ritual.
- ›Requires daily SPF — increases sun sensitivity.
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