Tretinoin and retinol are both forms of vitamin A, but one is a prescription medication and the other is sold over the counter. Here is how they differ in strength, irritation and results, and how to choose between them.
Tretinoin and retinol are both forms of vitamin A, but one is a prescription medication and the other is sold over the counter. Here is how they differ in strength, irritation and results, and how to choose between them.
