The invention relates to the field of medicine, in particular to cosmetology, and concerns the development of therapeutic and cosmetic products used in cosmetology and dermatology. The technical result achieved in the implementation of the claimed invention consists in the creation of a new preparation possessing the properties of a medical-cosmetic agent, by using bacteriorhodopsin as an active component of a cosmetic skin care product in the norm and/or a therapeutic agent in the complex treatment of dermatoses by disclosing new specific biological features of bacteriorhodopsin of halophilic bacteria Halobacterium salinarum VKPM V-11850. This technical result is achieved by application an aqueous bacteriorhodopsin solution of the halophilic bacteria Halobacterium salinarum strain VKPM V-11850 containing bacteriorhodopsin at a concentration of 0.24%-0.75% as a cosmetic agent for maintaining the normal functioning of the facial and body skin and/or a remedy for complex treatment of dermatoses.
