Natural Moisturizing Factors.
Naturally produced at the epidermis level, the NMF may be reproduced in a laboratory.
Attracts and retains water in the superficial layers of the epidermis insuring hydration, radiance and softness to the skin. Amongst the NMF, we find: urea, serine, PCA and free carboxylic acids. Vichy Thermal FIX (1, 2, UV, serum, eyes) skincare line.