Smart Lipid-carotene System for Targeted Free Radical-Scavenging

Mar 30th, 2015

G. Rodríguez, PhD, M. Cócera, PhD, and L. Barbosa-Barros, PhD, Bicosome SL, Barcelona; E. Fernández, A. de la Maza, PhD, and O. López, PhD, IQAC-CSIC, Barcelona

Excessive exposure of the skin to UV and infrared (IR) rays leads to the formation of free radicals (FR) and degrades proteins in the skin’s extracellular matrix. These are the main causes of premature skin aging, as well as other skin diseases.¹ The skin’s innate defense mechanism includes endogenous antioxidant molecules such as carotenes, vitamins, enzymes and other components.² These molecules work actively by quenching FR. However, if the number of FR formed in the tissue increases significantly, the antioxidant defense system is unable to neutralize them. For this reason, additional antioxidants are essential to reinforce the skin’s own defenses through so-called biological sun protection.³

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