5 ghk cu serum GHK-Cu Facial Supports the skin against environmental stressors for a healthy and youthful appearance 5% Ghk Cu Serum -

GHK-Cu stimulates collagen synthesis within the skin leading to a thicker, more resilient dermal layer

paracasei F19 , Lactobacillus acidophilus NCFB 1748 , and Bifidobacterium lactis Bb12 in 15 ME/CFS patients, observing improvements in neurocognitive function but no significant reduction in fatigue or physical activity levels in only nine patients [84]

These work on the skin directly and have a far better safety and evidence profile than an unlicensed whitening drip

Copper peptides are generally safe for most people when used topically, as they don't enter the body to produce systemic effects, but copper peptides might not be appropriate for people with a known allergy or sensitivity to copper