A 2023 review in the International Journal of Molecular Sciences identified three primary mechanisms through which GHK-Cu promotes hair growth: Fibroblast activation: Stimulates fibroblasts in the dermal papilla to support follicle development and nutrient delivery
Autism and 7-nicotinic acetylcholine receptors: new pharmacological and herbal interventions
For those unfamiliar with the latter ingredient, studies have found that tranexamic acid reduces hyperpigmentation by "blocking the interaction between keratinocytes [a.k.a
Foods like healthy fats (oily fish, flaxseeds), good quality proteins (organic chicken, whey protein), complex carbohydrates (oats, brown rice), ginger, herbs like ashwagandha, zinc-rich foods (chickpeas, mushrooms), and magnesium-rich foods (wheat bran, dark chocolates), etc