L-PCA is a physiological molecule, obtained by cyclisation of the L-glutamic acid from a natural origin. It is at the origin of several derivatives such as salts and esters of PCA for various cosmetics applications. This product is a physio-activator of the epidermis differentiation and as a cutaneous physiological moisturizer. It helps with lipidic restructuring and used as a filaggrin regenerative for the consolidation of the epidermis keratin coat.

L-PCA是一种生理分子，通过将天然来源的L-谷氨酸环化而获得。它是几种衍生物的来源，如用于各种化妆品应用的PCA的盐和酯。该产品是表皮分化和皮肤生理润肤剂的生理激活剂。它有助于脂质重建，并用作表皮角蛋白外皮巩固丝聚蛋白再生剂。