About 542 million years ago, during the Russian Lower Cambrian subdivision, early sediment began to form what is now known as Cambrian Blue clay. The unique composition and age of the clay makes it very rare and highly valuable, as A true Cambrian Blue Clay contains silver (Ag). The high mineral content in Cambrian Blue Clay detoxifies, hydrates, nourishes, and smooths out wrinkles. It improves the skins appearance and texture, stimulates the growth of skin cells and collagen. Also it’s anti-inflammatory and anti-bacterial properties improve skin conditions like acne, psoriasis, eczema and dermatitis. Combined with the beneficial properties of Organic Hemp Oil, Cambrian Blue Clay & Silver Organic Hemp Oil Pure Castile Soap is the ultimate luxury soap for natural bathing. Suitable for all skin types including those with sensitive skin and babies.