A self-tanner or bronzer works through DHA, dihydroxyacetone, which reacts with dead surface cells and produces colour without touching melanin biology at all, and many are formulated with ingredients such as aloe vera
You are trying to support the insulin response that these drugs are targeting
For patients on broader longevity or optimization protocols, GHK-Cu injections may also be combined with NAD+ therapy, BPC-157, or other peptides depending on their clinical goals
Yes, understanding factors like insulin resistance, inflammation, cortisol imbalance, nutrient deficiencies, gut health, and metabolic dysfunction can help improve long-term outcomes with peptide therapies