Skincare
·3 min read
What Concentration of Glycolic Acid Is Best for Anti-Aging?
For daily-use products: 5-8% glycolic acid provides effective exfoliation with minimal irritation. For weekly treatments: 10-15% delivers more intensive re...
#concentration
All articles tagged "concentration".
3 articles
Skincare
·2 min read
What Percentage of Niacinamide Is Best? 2%, 5%, or 10%?
Niacinamide products range from 2% to 20%, and the marketing pressure to choose higher concentrations is strong. But clinical research tells a different st...
Skincare
·2 min read
How to Choose the Right Retinol Strength for Your Skin
Start with 0.025-0.3% retinol if you've never used one before. Move to 0.5% after 3 months of good tolerance. Consider 1% or prescription tretinoin (0.025-...