Pack Size 15 ML / 30 ML FIXDERMA-C-ENHANCE-25 SERUM A dual-function face serum that maximizes lift by providing both protection and repair. Loaded with essential vitamin C, the powerful antioxidant takes charge of free radicals and repairs damaged skin while lifting and toning. The hyaluronic acid works in synergy with vitamin C, promoting vitamin C absorption and hydrating the skin by maintaining moisture. How To Use Cleanse your face & pat dry. Take 3 to 4 drops (approx. 1ml.) on your palm, apply on your face & massage for 30-40 secs. Its quickly absorbed into your skin. Apply morning & evening preferably for quick & visible results. Gently shake the bottle before application. Over the course of the shelf life of Vitamin C, oxidation can cause a slight change in colour to yellow or darker. This doesn't make the Fixderma C-Enhance-25 Serum less effective or unsafe to use.