This exfoliating treatment with acids, enzymes and microcrystals accelerates cellular renewal, evens skin tone and primes skin for optimal effects from your daily beauty routine. Use:Use 1-2 times/week. Apply on clean dry or damp skin avoiding the undereye area. A slight tingling feeling is normal. Leave on for a maxium 5 minutes and rinse off. If irritation occurs discontinue use immediately. Always make sure use SPF when using exfoliating products.50ml Estelle & Thild Super BioAdvanced 10% PHA Dual-Action Exfoliant 5