This serum gently exfoliates the skin and cleans pores without being irritating. Suitable for all skin types, gentle on sensitive skin.Hypoallergenic next-generation PHA ingredients exfoliate and clean pores, with calming centella to reduce skin irritation and soothe.Orange water from fresh oranges recharges your skin with vitamin C to maintain a bright and glowing complexion, while patented Anti-Sebum P provides pore care and oil control.Use:Apply Centella 3% PHA Gentle Liquid ExfoliatingSerum to clean, dry skin up to 3x weekly.You can also spot-treat problem areas (like yourT-zone) or use all over your face.Suggested TipPhase 1: Use 2-3x weekly to clear out blackheads.Phase 2: Use 1-2x weekly to help prevent new ones. haruharu wonder Centella 3% PHA Gentle Liquid Exfoliating Serum 1