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The beginner or sensitive skin: Start with a 1% GHK-Cu serum in protective packaging with a short ingredient list
These metals are thought to induce Fenton reactions and the Haber-Weiss reaction, in which hydroxyl radical is generated from hydrogen peroxide
In response to chemical stress, keratinocytes produce and release inflammatory cytokines, chemokines and other signaling markers that rapidly generate cutaneous inflammation 35
Much of this summary comes from personal experience in treating such patients
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