The Scenario of Clays and Clay Minerals Use in Cosmetics/Dermocosmetics

Abstract

The use of clays in beauty care comes from ancient times, with therapeutic use since prehistory, and it is considerably relevant in the current cosmetic industry worldwide. In our review, we described types of clay and clay minerals used in cosmetics and dermocosmetics, compositions, usages as active compounds and cosmetic ingredients/starting materials, and observations about formulation techniques. From this review, we observed that although much scientific and specialized literature has reported the characterization of clays, only some involved efficacy tests when incorporated into cosmetic products, mainly concerning haircare applications. Our review could be considered and encouraged in the coming years to provide scientific and technical information for the cosmetic industry regarding the multifunctional use of clays and clay minerals.

Laponite®—From Dispersion to Gel—Structure, Properties, and Applications

“…It is known that clays, including LAP, represent a versatile ingredient that enhances product stability, texture, and performance in cosmetics and personal care items [ 178 , 179 , 180 ]. LAP was used as a co-binder with sodium carboxymethyl cellulose in the formulation of stable toothpaste [ 181 ].…”

“…A selection of more recent works on LAP-based materials with their possible applications is presented in Table 3. Cosmetics and Personal Care Products [180] Emulsifying, thickening, suspending, anticaking and moisturizing agent LAP/Sunscreen Formulation [179] Researchers continue to develop new formulations with LAP due to the versatility and advantages that this clay has, although it is already incorporated in a variety of commercial products (https://www.byk.com/en, accessed on 22 May 2024): (i) In facial masks and skincare products where LAP improves the texture and stability of their formulations; (ii) In household cleaning products where LAP ensures the distribution and suspension of cleaning agents; (iii) In hair and body care products where LAP ensures a specific viscosity; (iv) In paints and coatings where LAP improves paint consistency and drying properties; (v) In cleaning gels for art conservation, etc. Moreover, for materials in biomedical applications, LAP is often mentioned in patents.…”