Why is it important to prepare your skin for a tan?
Our natural way of life is to live outdoors, and therefore to be exposed to the sun, according to the fluctuations of the seasons; our skin is able to adapt, brightening when we lack sunlight, to let UVB (ultraviolet B rays) pass through. When UVB rays hit the surface of your skin, your skin converts a cholesterol derivative into valuable vitamin D3. The epidermis of the skin : The epidermis is divided into 3 layers: the stratum corneum, the basal layer and the stratum spinosum (this layer reacts to external stresses). This last layer contains the melanocytes which on exposure to the sun produce melanin which releases 2 types of pigmentation : Eumelanin (for dark to dark skin)Eumelanin...
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