---
title: "How does tretinoin work? Mechanism and timeline"
description: "Tretinoin works by changing how skin cells grow and shed, helping unclog pores and improve texture over time. Expect irritation early and gradual results."
canonical: "https://www.vitalsvault.com/treatment-learn/how-does-tretinoin-work"
last-updated: 2026-08-22
---

# How does tretinoin work? Mechanism and timeline

> Tretinoin works by changing how skin cells grow and shed, helping unclog pores and improve texture over time. Expect irritation early and gradual results.

---

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