glutathione body lotion side effects Benefits for Your Skin and Glutathione Cream Uses And Risks

Flammer J, Haefliger IO, Orgul S, Resink T

Some clinical studies have found that GHK-Cu-based creams produced results comparable to vitamin C and retinoids, without causing irritation

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11 Conversely, in a study assessing a cream containing 0.1% GSH-C4, 0.5% beta-glycyrrhetic acid, and 10% azelaic acid, 10 percent of the participants discontinued due to lower skin irritation

If you're interested in the broader role supplements may play in postviral illness, see my guide to supplements for long COVID (PASC) and ME/CFS

DIY serums made without professional preservative systems last just 1-2 weeks refrigerated, requiring small-batch preparation and frequent replacement