milk_shake Natural Care Active Yogurt Mask 250mlBest selling, sweetly scented milk_shake Active Yogurt Mask has always been a salon favourite and with improved formulas and a new tube size, we think you will love it even more! milk_shake's conditioning milk_shake yogurt mask for untreated or colour treated hair. Strengthens untreated or colour treated hair. Yogurt gives body, while avocado, rice oils, honey, fruit extracts and vitamin E condition the hair shaft.