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The phosphorylated form of NAD + , NADP/NADPH, parallels NAD + /NADH by functioning as a redox coenzyme in the pentose phosphate pathway, generation of acetyl coenzyme A (acetyl-CoA) for lipid and cholesterol biosynthesis, and in the glutathione and thioredoxin antioxidant systems 4,5,8,9

All are serine esterases that harbor a common structural elementthe alpha/beta-hydrolase foldand a conserved catalytic diad or triad that is composed of the G X S X G pentapeptide motif as well as an active aspartate or glutamate (D/E)GG tripeptide and an active histidine (H)

AHAs and BHAs Separate Applications If you are using exfoliating acids, apply them first, wait 1520 minutes for skin pH to return to baseline, then apply copper peptides

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But consideration is not approval

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