Acid Skincare Revolution
Chemical exfoliation (AHAs, BHAs) - acids dissolving dead skin vs. physical scrubs - became skincare’s preferred exfoliation method (2017+) via education about gentleness, efficacy, and viral transformations.
AHAs (glycolic, lactic, mandelic): Water-soluble; surface exfoliation; sun sensitivity, brightening, anti-aging
BHAs (salicylic acid): Oil-soluble; penetrates pores; best for acne, blackheads, oily skin
The Ordinary catalyst: AHA 30% + BHA 2% Peeling Solution ($7 “blood mask”); dramatic results, accessible price
Reddit education: r/SkincareAddiction taught chemical > physical exfoliation; transformed skincare approach
Physical scrub backlash: St. Ives Apricot Scrub became villain; “microtears” fears; chemical acids positioned as gentle
Toner transformation: Chemical exfoliating toners (Paula’s Choice 2% BHA, Pixi Glow Tonic) replaced traditional toners
Over-exfoliation epidemic: Enthusiasm caused damaged barriers, sensitivity; “moisture barrier repair” became next trend
Peel at-home trend: Professional-strength peels (30%+ glycolic) done at home; risky but popular
Sunscreen requirement: AHAs increase sun sensitivity; daily SPF mandatory
pH matters: Effective at low pH (3-4); improper formulation ineffective
Gentle alternatives: PHAs (polyhydroxy acids) for sensitive skin; newer generation acids
Acid exfoliation represents skincare education’s impact - science-based approach replacing marketing-driven physical scrubs.