Tighten your facial contours with Karin Herzog Essential Mask , a quick-fix beauty treatment aiming to produce younger looking skin. The anti-ageing mask is enriched with 2% active oxygen and retinol providing an immediate lifting and toning effect while reducing visible signs of fatigue and age. Perfect for before an event or after travelling when skin is in need of refreshment. For more hydrated and radiant looking skin, the Essential Mask is an essential step in the ‘home facial routine’.