Natural clays are making a huge comeback in the cosmetic industry. More and more they are being incorporated into cosmetic formulas. Mineral clays are a natural raw material that is versatile in use and ideal for sensitive skin.
Clays were formed during the last ice age, however, today they are mined at depths between 10 and 30 metres. Essentially, clay is made up of layers of loam that have been formed over the course of several millennia.
Clays are rich in various minerals. Depending on where they are mined, they may contain magnesium, calcium, iron, silica, copper and a whole range of other substances.
In order to be used for cosmetic products, clays must be natural, germ-free and biologically sound. As a result, they are dried in special ovens or in the sun after extraction. This process kills any germs and the clay is pasteurised through exposure to heat.
The unique powers of this soil have been known since ancient times. In ancient Egypt, for example, clay was used for antiseptic mud baths and Hippocrates, one of the most outstanding figures in the history of medicine, also recommended it for internal use.
Clay & Medicinal Clay
Certain types of clay are also referred to as medicinal or healing clay. In order for clay to be recognised as medicinal, it has to undergo strict testing procedures since it then falls under the law of medicinal products. All other mineral clay types are not approved for consumption but can be used safely for cosmetic purposes.
Clay is available in a variety of colours. They are not synthetically dyed, as one might assume. The unique nuances result from the magnesium and iron oxide concentration contained in the soil.
Green mineral clay has a high copper content. It is found in Central Europe; mainly in France. After being dried in the sun, the clay is incorporated into masks, cleansing creams, peeling, bath additives concealers.
Lava clay is native to the Atlas Mountains. It is abundant in silicic acid and has intensive cleansing effects when mixed with water. Thus, it is often used as a shower gel substitute, shampoo or cleanser for oily and blemished skin types.
Lastly, kaolin, or white clay, is a special type of clay because it is the only type that does not contain any iron. Kaolin has a finely ground texture that is often used as a base for masks or body powder. Kaolin is an excellent option for sensitive skin types.
All clays are 100% organic and free from chemical additives which means that they are well-tolerated by the skin and can be used for severe skin concerns.
Most clay types are used as a base for face masks and peelings, or as bath additives. Medicinal clay may be ingested, given that it has been approved by the medical certification body. Medicinal clay may soothe stomach aches, heartburn, upset stomach, etc.