Ive covered the skin-specific mechanisms in far more detail in how GHK-Cu gives you healthier, younger skin if thats your primary goal
Breathable Formula Dermatologically Tested 4x Skin Lightening Action Hydro Plus Technology For All Types of Skin Net Content: 500 ml (P540) , 500 ml REFILL POUCH (P415) Product Expiration: 24 months How to Use: Apply liberally all over the body
Peptides Semax and Selank affect the behavior of rats with 6-OHDA induced PD-like parkinsonism

Purified water*, niacinamide (50,000 ppm), propanediol, glycerin*, 1,2-hexanediol*, glutathione* (5,000 ppm), arginine, adenosine, guava flower extract, basil leaf extract, lactobacillus ferment, guava leaf extract, turmeric root extract, yeast ferment, coral extract, fig fruit/leaf extract, broccoli extract, dipotassium glycyrrhizate, tomato extract, sodium hyaluronate, sodium hyaluronate crosspolymer, hydrolyzed hyaluronic acid, hyaluronic acid, potassium hyaluronate, hydrolyzed sodium hyaluronate, ceramide NP, panthenol, cy Anocobalamin, Tocopherol, Pyridoxine, Magnesium Ascorbyl Phosphate, Arbutin, Ferulic Acid, Isopropyl Myristate, Polyglyceryl-4 Caprate, Sodium Citrate, Dipropylene Glycol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Hydroxyacetophenone, Meadowfoam Seed Oil, Xanthan Gum, Caprylyl Glycol, Butylene Glycol, Disodium EDTA, Hydrogenated Lecithin, Polyglyceryl-10 Oleate, Polyglyceryl-3 Methyl Glucose Distearate, Polyglyceryl-10 Stearate*, Caprylic/Capric Triglyceride, Arginine/Lysine Polypeptide*, Thioctic Acid, Fragrance

10.1111/j.1572-0241.1999.00456.x 71 PeetersT
The stomach holds acid strong enough to strip meat from bone, yet it does not digest itself