It combines skin brightening, anti-aging and texture improvement in a single cream for visible, radiant results
Afr J Biotechnol 11(45):1043110437 Frere J, Page MG (2014) Penicillin-binding proteins : evergreen drug targets
J Environ Sci Health C Environ Carcinog Ecotoxicol Rev 20:149183 Yu H, Xia Q, Yan J, Herreno-Saenz D, Wu YS, Tang IW, Fu PP (2006) Photoirradiation of polycyclic aromatic hydrocarbons with UVA light - a pathway leading to the generation of reactive oxygen species, lipid peroxidation, and dna damage
The short answer is brain chemistry
Further reading [edit] Jane Higdon, "L-Carnitine", Micronutrient Information Center, Linus Pauling Institute, Oregon State University Carnitine (L-carnitine), University of Maryland Medical Center