Verbatim response from Perplexity
Prescription tretinoin usually starts showing results in about 6–12 weeks, with some people noticing early changes in 2–8 weeks and more significant improvements taking 3–6 months or longer.[2][4][6][8]
What you notice first depends on what you’re treating:
- Acne: some improvement can appear in 2–3 weeks, but more typical visible results are 4–12 weeks.[2][4]
- Skin texture / glow: often starts to improve in 4–8 weeks.[4][8]
- Fine lines / anti-aging benefits: usually take 3–6 months to become more noticeable.[2][4][6]
- Hyperpigmentation / dark spots: often need 12 weeks to 6 months.[2][4]
It’s also common for the skin to look worse at first because of dryness, peeling, or purging during the first few weeks.[1][2][5][6]
If you want, I can also give you a week-by-week tretinoin timeline or tips to reduce irritation while waiting for results.