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Edelsztein, V
No other single naturally occurring peptide comes close to this level of genetic influence
Why Keratin is Good for Hair Growth Treatment: Replenishes damaged hair: Keratin treatments help restore lost keratin in the hair shaft caused by damage from heat styling, chemical treatments, or environmental factors
The strongest clinical evidence shows 26.5% regrowth over 5 months with microneedling-assisted delivery (Kuceki et al., 2025)
Systemic side effects may include nausea, gastrointestinal upset, flushing, and, in rare cases, allergic reactions such as rash, hives, or anaphylaxis
What makes GHK-Cu unique is that it works gently yet deeply, communicating with cells to regulate inflammation, increase collagen production, and even assist in antioxidant defense
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