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Written by Marijn Lewis, PhD Science communication & Nutrition research at Kala Health References Detcheverry, F., Senthil, S., Narayanan, S., & Badhwar, A

Published clinical studies have used topical GHK-Cu at concentrations of 14%

There have been isolated reports of reversible hepatic injury following intravenous glutathione administration, emphasizing the need for careful monitoring, especially with repeated or high-dose therapy

Now, let's talk about Glutathione in a chemical perspective --- its nature

The term 'parfum' or 'fragrance' is not regulated in many countries

The most common is subcutaneous injection from a reconstituted vial