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However, it should disappear within a few days

GHK-Cu Scalp Solution GHK-Cu Scalp Solution (60 mL) Product Overview GHK-Cu Scalp Solution is a pharmacy-compounded topical preparation that may support scalp health and hair appearance by delivering the tripeptide glycyl-L-histidyl-L-lysine complexed with copper at a nominal 0.5 % concentration in a 60 mL vehicle

Kieber JJ, Schaller GE

Competing Interests The authors declare the following competing interests: [Donghoon Kang and Chin-Ju Park] are listed as an inventor on a pending patent application related to A peptide inhibitor for senescent cell elimination, and a use thereof, filed by [Gwangju institute of science and technology] under application number KR10-2024-0086615