TIRTIR PHA 15% Serum 30ml Hair Pack Full routine (face

Full routine (face

so patience is required

Apply your retinol product first (if it is an eye-safe retinol)

Sulfate-free

Also In the formula are also five types of ceramides

TIRTIR PHA 15% Serum 30ml Hair Pack Full routine (faceTIRTIR 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