[COSMETIC GLOSSARY : Isotonicity]

Guérande cosmetics' have the particularity to be isotonic. In this word ISOTONIC, there is BALANCE.

Indeed, Mother-Waters are incorporated into our products in ISOTONIC dosage, that means according to the skin's natural balance in mineral salts and micronutrients.

The biologist René Quinton has identified the parallel between these 2 supports, comparing marine and human plasma. Therefore, Guérande cosmetics' are perfectly assimilated by our skin, bringing 2 benefits :

- remineralize skin cells with needed minerals for its vitality,

- via osmosis, boost the effects of the active elements of cosmetics through skin fence