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Someone online posted that applying a copper peptide cream to their skin completely cured their seborrheic dermatitis (a common flaky, red rash) after other treatments, including a dermatologist’s care, didn’t work. They said it cleared up in a couple of days and that they saw at least one other person in the comments reporting the same. This is an individual report on a forum, not a formal clinical trial. Copper peptides are small molecules that combine a copper ion with a short chain of amino acids. They are sold in some skincare products because lab studies and cosmetic research suggest they can help with wound healing, collagen production, and reducing signs of aging. In plain terms: proponents say these creams can support skin repair and calm inflammation. They are not a single prescription drug and different products have different concentrations and formulations. The claim here is based on one person’s experience (and a comment or two) — basically an anecdote. There’s no controlled study attached to the post, and we don’t know what exact product, concentration, or other treatments were used alongside it. Anecdotes can point toward something worth researching, but they don’t prove that copper peptide creams generally cure seborrheic dermatitis. Some lab and small clinical studies have looked at copper peptides for wound healing and skin health, but evidence specifically proving effectiveness for seborrheic dermatitis in larger, well-designed human trials is limited or absent. Why you might care: seborrheic dermatitis is common and can be stubborn. If a gentle topical product helped someone who’d failed other treatments, people who suffer from persistent flares might be interested in trying it as an extra option. Copper peptide creams are widely available over the counter in cosmetic lines, so some people may be tempted to try them without a prescription or a clinic visit. Caveats and risks are important. One person’s success doesn’t guarantee it will work for others. The product’s quality, concentration, and formulation vary a lot between brands. Skin can react badly to new products; copper peptides can cause irritation, allergic reactions, or interact poorly with other topical treatments. If your rash is infected, spreading rapidly, painful, or you’re unsure what it is, see a dermatologist before self-treating. Also, because this is not a regulated drug claim, manufacturers aren’t required to prove cure rates for seborrheic dermatitis. Bottom line: an online poster says a copper peptide cream cleared their stubborn seborrheic dermatitis quickly, but that’s an interesting anecdote, not proof — it might be worth discussing with a dermatologist, not a substitute for medical advice or solid clinical evidence.
Source: r/Peptides