Glycyrrhiza Glabra / Glabridin / Licochalcone A
A well-studied plant-derived brightener. Glabridin inhibits tyrosinase and has anti-inflammatory properties; licochalcone A is a powerful antioxidant especially effective for rosacea; glycyrrhizin soothes and reduces redness. Among the safest and most effective botanical brighteners for sensitive skin.
This ingredient works across the 1% line depending on formulation. The higher end of the range should sit above the line; very gentle starter products may use the lower end legitimately.
Topical extract 0.5–2% in serums or moisturisers, AM and/or PM. Excellent in brightening routines combined with niacinamide and Vitamin C.
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