It was just the safe, it was kind of one of those things where it's safe
Light and Temperature Degradation Peptide amide bonds are susceptible to photo-oxidation
Lightening ingredients work by inhibiting the production of melanin, the pigment responsible for color in our skin
Tan HW, An J, Chu CK, Tran T (2019) Metallic nanoparticle inks for 3D printing of electronics
The cream contains the original active, skin beauty-improving copper peptide at a concentration much higher than competing products to restore vibrancy (elasticity) and clarity (smoothness / even skin tone) while actively diminishing the appearance of wrinkles.* GHK Comparison Levels - This Product Contains: 150 mgs of GHK-Cu in 15ml and 500 mgs GHK-Cu in 50ml The strength rating for Super GHK Cream/Serum is 5.2 as per the Skin Biology website
Interestingly, the study also noted that the function of certain immune cells improved alongside these rising levels