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Acta Anaesthesiol.Scand
46 weeks is not a universal storage rule
By binding to copper at the active site of tyrosinase and interfering with melanin synthesis intermediates, glutathione reduces overall melanin formation. As a powerful antioxidant, glutathione also reduces free radicalinduced oxidative stress, which is one of the triggers for increased tyrosinase activity and melanin production
For beginners or sensitive skin, starting with a 12% GHK-Cu concentration is advisable
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