Key Benefits of GHK Cu Copper Tripeptide for Textured Hair: Helps strengthen fragile strands and improve elasticity for better length retention Helps encourage thicker and fuller growth by supporting healthier follicle activity Helps reduce shedding and breakage, especially for curls, coils, and kinkier textures Helps soothe the scalp and support a balanced environment that promotes healthy growth Helps improve moisture retention which leads to softer, smoother, and more defined texture Helps support melanin production which may delay early graying and maintain rich pigment Helps repair stressed or chemically treated hair by supporting natural collagen production Works synergistically with Elite Hair Care products like the African Goddess Peptide Revival Serum for maximum growth and repair Ideal for anyone dealing with thinning, dryness, breakage, or scalp sensitivity Enhances overall hair health, density, and resilience for long term improvement | Crystal Williams

Natural killer (NK) cell activity, which helps fight infections, increased by 400% in the low-dose group and 210% in the high-dose group after 2 weeks
And while its not a YouTube video, THE CLIMBING DOC also offers a nice tutorial
Cell Immunol 330:15967
[PMID: 13921767] PubMed record related to this compound for laboratory literature review
Vitamin C-Rich Foods : Citrus fruits, strawberries, and bell peppers can enhance the effectiveness of glutathione