There is no one size fits all formula and each brand may have different ingredients
NAC functions as a potent antioxidant, protecting cells against oxidative stress.* As the precursor to glutathione intracellular synthesis, NAC is essential for the synthesis of glutathione
If youre not a big fan of needles, GHK-Cu is a powerhouse ingredient in lightweight serums and creams marketed for anti-aging
As it works to restore hair volume and density, it also improves skin elasticity, reduces fine lines, and promotes smoother, firmer skin, giving you a complete anti-aging solution
Topical GHK-Cu does not require cycling because systemic copper absorption from creams and serums is minimal
Here are our Paulas Choice glutathione favourites: the RESIST Anti-Ageing Antioxidant Serum and the 25% Vitamin C + Glutathione Clinical Serum