Allium vegetables and organosulfur compounds: do they help prevent cancer
According to this PubMed report GHK-CU has been shown to: -Tighten loose skin and reverse thinning of aged skin -Repair protective skin barrier proteins -Improve skin firmness, elasticity, and clarity -Reduce fine lines, depth of wrinkles, and improve structure of aged skin -Smooth rough skin -Reduce photodamage, mottled hyperpigmentation, skin spots and lesions -Improve overall skin appearance -Stimulate wound healing -Protect skin cells from UV radiation -Reduce inflammation and free radical damage -Increase hair growth and thickness, enlarge hair follicle size TLDR: GHK-CU is used to repair and rejuventate your skin/hair while also protecting it from the things that are aging it

During winter, oxidative stress increases because of: Cold, dry air that strips away moisture Indoor heating that dehydrates the skin barrier Pollution and UV rays that create free radicals Poor hydration and slow circulation This imbalance results in: Dull, uneven skin tone Loss of suppleness and glow Dry, rough texture Early signs of aging like fine lines Your skin becomes more vulnerable when oxidative stress builds up and external moisturizers alone cant fix that
The primary outcome of the study was the change in alanine aminotransferase (ALT) levels