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Widely explored in stress-response and recovery-focused research
Glutathione for whitening skin helps reduce melanin production, which can lead to a brighter, more even complexion over time
Following treatment with GHK-Cu, this index was significantly reduced (Figure 2C)
The most frequently reported reactions include: Redness (erythema) at the application site Itching or a tingling/stinging sensation , especially on freshly exfoliated or compromised skin Dryness or mild flaking , sometimes related to the overall formulation rather than the peptide itself Temporary irritation when combined with strong actives These reactions typically resolve on their own or after reducing frequency of use
