Explanations: SKIN AGEING Over time the skin loses its flexibility and its radiance. These phenomena can be due to external factors (sun exposure, pollution, smoking, etc.) and internal factors (age, etc.). These factors favour the appearance of fine lines and wrinkles which give a dull and aged aspect to the skin. Furthermore, the concentration of vitamin C in the skin falls with age and exposure to UV rays, which has the effect of reducing the synthesis of collagen. Collagen is a protein which confers a resistance to stretching on the tissues. To deal with this fall, the vitamin C concentration in the skin must be increased in order to maintain an optimal collagen level and to keep the skin young, soft and radiant. For all skin types.
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