Skin

Tretinoin

A prescription retinoid for acne, texture and photoageing — powerful, slow and irritating at first.

Level
Beginner
Type
Clinical
Cost
Low
Impact
Medium-term
Confidence
Medium
Updated
May 2026
Extended Definition

Tretinoin is a prescription-strength retinoid that speeds skin cell turnover. It is one of the best-evidenced topicals for acne, uneven texture and sun-related ageing, which is why skincare communities talk about it so much. It typically causes dryness, peeling and irritation in the first weeks, makes skin more sun-sensitive, and should be started under a doctor's guidance. Over-the-counter retinol is a gentler, weaker relative.

Why It Matters

It is the 'gold standard' everyone mentions; knowing the adjustment period stops people quitting in week three.

What It Affects
  • Skin texture
  • Acne
  • Fine lines
Common Misconceptions
  • That more is better — overuse causes irritation, not faster results.
  • That you can skip sunscreen — you absolutely can't.
How To Improve It
  • Get it via a doctor or dermatologist
  • Start slowly and build tolerance
  • Moisturise and use daily sunscreen
Quick Wins
  • Daily SPF is non-negotiable with retinoids
Long-Term Wins
  • Get it via a doctor or dermatologist
  • Start slowly and build tolerance
Mistakes To Avoid
  • That more is better
Risks & Downsides
  • Prescription medication; irritation and sun sensitivity are common. Not for use in pregnancy.
Next Step

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High-ROI pick

Beauty of Joseon Relief Sun SPF 50+ (50 ml)

The single most effective product in any routine — daily UV protection.

Pros
No white cast
Lightweight
Cons
Reapplication needed
View recommendation
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