Green Clay of Velay: the unique ancestral green clay to the scientifically proven properties. Clay of Velay has worked with Labskin of the hospital Edouard Herriot in Lyon (France) to measure the effectiveness. The in vitro study that green clay of Velay very clearly improves the viability of the skin cells and promotes the secretion of collagen type I. Green Clay of Velay acts as an anti-inflammatory in a manner comparable to drugs and improving the migration of the cells. It speeds up the healing process.
It is of course composed of three clays (illite, kaolinite, and montmorillonite) properties and the complementary virtues. Combined with the absence of quartz, these qualities make it unique and the only clay to the proven properties.