← The FormularySkin & faceRetinol
Also known as Vitamin A / retinoidDo the work while you sleep.
Retinol is the one skincare active with receipts — decades of studies, dermatologist consensus, the lot. Everything else on the shelf is negotiable; this isn't. If you do exactly one thing for your face long-term, do this, at night, for months. The catch nobody prints: it can make you look worse before better — the flaking and tightness people call the 'retinoid uglies.' That's not a reason to quit. It's a reason to go slower.
A vitamin-A derivative and the most evidence-backed anti-ageing skincare active.
In the skin, retinol converts into retinoic acid — a signal that tells cells to turn over faster and to build more collagen. Faster turnover clears the dull, uneven surface; more collagen firms what's underneath. That's the entire trick, and it takes weeks, because that is simply how skin moves.
Supports smoother-looking texture and more even tone with consistent night use.
Anyone past their mid-twenties thinking about texture, tone and lines before they set in. Clear it with a professional first if you're pregnant or breastfeeding. Reactive skin: start at the lowest frequency and earn your way up — there are no bonus points for speed.
Night only, on dry skin, a pea-sized amount for the whole face. Start two nights a week and build toward nightly as your skin allows. If it stings, 'sandwich' it between moisturiser. The one non-negotiable: sunscreen every morning — retinol makes skin more sun-sensitive, and unprotected sun undoes the whole point.
Weeks 1–4: possible flaking and tightness while skin adjusts. Around weeks 8–12: smoother texture and a more even tone. This is a long game measured in seasons, not days — and consistency beats strength every time.
One of the most-studied cosmetic ingredients there is, with strong evidence for the appearance of texture, tone and fine lines. Worth knowing: cosmetic retinol is the gentler, slower cousin of prescription tretinoin — same family, lower intensity.
Read the labelNight use only. Wear sunscreen by day. Not during pregnancy. Discontinue if irritation occurs.
Evidence grades describe how well an ingredient is studied — A well-supported, C emerging — not a promise of results. Educational, not medical advice. Doses are typical ranges; follow the label on the product.