The GHK-Cu Repairing Serum comes in a 30ml pack (3 x 10ml bottles)
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165 A meta-analysis of 13 randomized controlled trials with a total of 1,345 participants found standard medical treatment plus tinnitus retraining therapy led to higher response rates after one, three, and six months, and reduced tinnitus-related disability more than medical treatment alone
PMCID: PMC6600250
Known as the body's master antioxidant, glutathione plays a crucial role in detoxification, immune function, and skin health