l glutathione oxidized L-Glutathione L-Glutathione oxidized, 98%, Certified® 2.5g

Long story short- tyrosinase is an enzyme that controls melanin production

Yes, as an antioxidant, glutathione helps combat oxidative stress, potentially improving skin texture and reducing signs of aging

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However, recent comprehensive studies are challenging this belief and providing clarity for both patients and healthcare providers

This may include instances where: You need a stronger product to achieve your goals (e.g., deep hyperpigmentation, severe acne, etc.) You already use another product containing copper (this could be unsafe) An essential part of your skin care routine is a harsh active, vitamin C, strong exfoliant, or salicylic acid many of which are common ingredients in acne treatments and anti-aging products (copper peptides shouldnt be mixed with them) Using copper peptides may be unsafe (i.e., you have Wilsons disease, a peptide allergy, or active/suspected cancer) Youve tried a copper peptide product in the past and experienced an adverse reaction (e.g., copper uglies or troublesome side effects) If youd like some alternatives to copper peptides, we go over a few in the Alternatives to copper peptide serums section later in this guide

Look for "reduced glutathione," "L-glutathione (reduced)," or "GSH" on the label