'Institut Esthederm Intensive Vitamin C Dual Concentrate brightens skin, smooths wrinkles and reduces dark spots in just two weeks. The 10% vitamin C serum isn't pre-mixed to ensure you get the best results from your first go.' - Hannah, Escentual Beauty Team.   Why You'll Love The Vitamin C Dual Concentrate : 10% vitamin C serum brightens and evens your skin tone in 14 days. 96% of testers saw a reduction in dark spots in two weeks. Concentrated vitamin C activated upon first use for ultimate efficacy. Pre-dosed so you will see best results without wasting product.   What You Need To Know: The Vitamin C Dual Concentrate contains fresh vitamin C to boost skin's radiance and even your skin tone to be free from dark spots and fine lines with a firmer feel thanks to the boosted collagen production. The 10% pure vitamin C works with the 2% pro vitamin C to deliver immediate brightening and long-term skin smoothing. Plus, the 10% of vitamin C is safe for most skin types, including sensitive, whilst still offering brightening benefits - you can even use the serum after having laser or peeling treatments. The health of your skin is protected by the cellular water patent, antioxidants slowing down the signs of ageing.   Why It's Escentual: A powerhouse of active ingredients, the serum is designed to deliver results, fast. The strong percentage of vitamin C has been carefully dosed in the bottle to last 2 weeks, allowing you to experience only the freshest vitamin C for the best benefits. The serum has a fluid liquid texture that instantly absorbs your skin. Your skin is left smooth and soft to the touch with an instant glowy boost.   The Best Way To Use It: For first use, remove the foil and press the button at the base of the bottle twice to release fresh vitamin C into the formula. Shake for 30 seconds. Use one pump of serum every morning and night, applying to dry clean skin and shaking before every application. Each bottle of serum is designed to be used up entirely within 2 weeks, and you should only use the boosting treatment for 2 months consecutively. Don't forget to apply SPF50+ daily!   Values: Dermatologically-tested.