#concentration

All articles tagged "concentration".

2 articles

April 5, 2026·3 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...

What Percentage of Niacinamide Is Best? 2%, 5%, or 10%?

Skincare

February 5, 2026·9 min read

What Percentage of Niacinamide Is Best? 2%, 5%, or 10%?

Niacinamide products range from 2% to 20%, but higher is not always better. The best percentage depends on your goal, skin tolerance, and the rest of your routine.