TIRTIR PHA 15% Serum 30ml Hair Pack 3 months with daily use

3 months with daily use

Sulfate-free

Soothing post-exfoliation or after sun exposure

Sulfate-free formulas are generally color-safe

so patience is required

TIRTIR PHA 15% Serum 30ml Hair Pack 3 months with daily useTIRTIR PHA 15% Serum: The Gentler Acid Exfoliant for Sensitive Skin PHA (polyhydroxy acid) is the milder cousin of AHA and BHA in the chemical exfoliation category. The molecules are larger, which means they penetrate the skin more slowly and cause less irritation than glycolic acid or salicylic acid at equivalent concentrations. TIRTIR's PHA 15% Serum leverages this property to deliver daily wearable exfoliation for users whose skin can't tolerate