A Guide to Retinol Face Serum Strengths and When to Use Them
Retinol is a powerhouse ingredient in skincare known for its anti-aging, acne-fighting, and skin-renewing properties. However, choosing the right retinol strength can be challenging, as different concentrations cater to varying skin concerns and tolerance levels. In this comprehensive guide, we will break down retinol serum strengths, their benefits, and the best times to use them…