Versus retinol and retinoic acid (cosmetic anti-ageing reference): retinol acts via RAR/RXR receptors and transcriptional modulation but with irritating effects (desquamation, solar sensitivity)
Does GHK-Cu work for gray hair
Grigor C, Capell H, Stirling A et al (2004) Effect of a treatment strategy of tight control for rheumatoid arthritis (the TICORA study): a single-blind randomised controlled trial
Maintains Sterility Each vial puncture introduces a small contamination risk from the needle or the environment
Every additional compound in a stack adds another opportunity for an impurity or a sterility failure near a healing incision
Examples Lactic acid: opens clogged pores, allowing for other products to more deeply penetrate the skin Glycolic acid: sloughs away old and dead skin cells, leaving new ones behind Salicylic acid: dissolves dead skin cells, helping to brighten the skin and improve the texture Using a chemical peel with at least 70% glycolic acid for Keep an eye on concentrations Products with AHAs and BHAs have varying concentrations
