Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
A synthetic peptide fragment derived from proenkephalin that promotes hair growth by activating the Wnt/beta-catenin signaling pathway in dermal papilla cells.
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Prices are estimates and may vary. For research use only. We may earn a commission on purchases through affiliate links. Not medical advice.
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In vitro studies demonstrate PE-22-28 enhances proliferation of dermal papilla cells and upregulates hair growth-associated genes through Wnt/beta-catenin activation. Animal studies in C57BL/6 mice showed increased hair density and prolonged anagen phase compared to controls. Human clinical data is extremely limited — efficacy has not been established in controlled trials. The peptide is typically used as part of multi-modal hair restoration protocols.
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Prices verified as of April 2026. Actual prices may vary. For research use only.
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