PLoS ONE 12 , e0186459 (2017)
Free Radical Biol Med 160:149
Skin problems include transverse white bands on the fingernails and excessive accumulation of fluid in the soft layers of tissue below the skin (edema)
The serum combines GHK-Cu (copper peptide), hyaluronic acid, and bakuchiol, known for helping improve the look of elasticity, smoothness, and tone while maintaining skin comfort
Even if the product could be reclassified to make it available for sale in pharmacies, it could not be used more frequently than every 2 3 months, so reclassification to a Pharmacy medicine would not help those who require more frequent injections. and then they also state: Our current advice to private clinics administering vitamin B12 injections which are not licensed medicinal products intravenously for non-medicinal purposes is that we do not regard these to be medicines and that they fall outside of the remit of the MHRA
One also needs to consider the subjectively perceived change from a darker to a lighter skin color