Current Pharmaceutical Design, 17 (16), 16121632
The verdict: GHK-Cu for skin, collagen peptides for hair/nails Choose GHK-Cu if: Skin anti-aging is primary goal Want injectable or topical option Focused on wrinkles and firmness Choose collagen peptides if: Want overall beauty benefits Prefer oral supplementation Hair and nails are priority Best peptide combinations and stacks Combining peptides provides synergistic benefits
however, drug costs are generally created at the UN or ML level
Protein bands were visualized using Immobilon Western Chemiluminescent HRP Substrate (Merck Millipore, Billerica, MA, USA) and a ChemiDoc MP Imaging System with Image Lab Touch Software Version 1.0 (Bio-Rad Laboratories, Hercules, CA, USA)
This makes it a potentially safer option for individuals concerned about insulin sensitivity or diabetes risk