The L'Oreal Paris Lumi Magique Light Concentrated Primer has a light-enhancing formula that illuminates the skin. The primer can be used as a base or alone to create a silky complexion with eight hours of moisture thanks to Anderson Liquid that smoothes the skin and 40 per cent pure water to fill the skin with moisture and restore its optimal glow.A light replenishing base which illuminates the skin. It may be used as a base or alone. A fresh, light and silky soft formula that provides 8 hours of hydration. While a moisturiser is designed to hydrate and protect the skin, a primer is used to mask irregularities and uneven textures in the skin before foundation is applied. Some women believe that their foundation alone can help hide these irregularities; however foundation needs to be applied to a smooth and even-textured surface for it to look its best and stay on the skin for longer.