AHA vs BHA vs PHA: Which Exfoliant Is Right for You?
Alpha hydroxy acids, beta hydroxy acids, and polyhydroxy acids each exfoliate differently. Learn which chemical exfoliant matches your skin type and anti-aging goals.
Trusted anti-aging guides backed by dermatological research
All articles tagged "AHA".
10 articles
Alpha hydroxy acids, beta hydroxy acids, and polyhydroxy acids each exfoliate differently. Learn which chemical exfoliant matches your skin type and anti-aging goals.
For daily-use products: 5-8% glycolic acid provides effective exfoliation with minimal irritation. For weekly treatments: 10-15% delivers more intensive re...
Understand the differences between AHA and BHA exfoliants, how each type combats signs of aging, and how to choose the right exfoliation strategy for your skin type and concerns.
Everything you need to know about glycolic acid for anti-aging — how it works, what concentration to use, and how to avoid irritation for smoother, younger-looking skin.
Both vitamin C (L-ascorbic acid) and AHAs work at low pH, and combining them can over-exfoliate and irritate sensitive skin. For most people, it's safer to...
Both lactic and glycolic acid are alpha-hydroxy acids that resurface skin, but they differ in molecular size, penetration depth, and side effect profile. C...
Chemical exfoliants (AHAs like glycolic and lactic acid, BHAs like salicylic acid) dissolve the bonds holding dead cells to the skin surface, promoting smo...
Chemical exfoliation with AHAs (glycolic, lactic, mandelic acid) and BHAs (salicylic acid) removes dead cells that accumulate faster as you age, revealing ...
At-home peels at appropriate concentrations are reasonably safe: glycolic acid up to 10% (daily use) or 20-30% (weekly), lactic acid up to 15%, mandelic ac...
Glycolic acid at 5-10% concentration used 2-3 times per week effectively exfoliates dead cells, stimulates collagen synthesis, and improves skin texture an...