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In contrast to injections, topical serums are cost-effective, practical, and have a good safety profile, in addition to providing potential benefits for hair and skin support

Key supporting research from 2024-2025 includes a July 2024 paper in Inflammopharmacology (PMID: 38980576) linking BPC-157 to stress response mechanisms, a January 2025 HSS Journal systematic review on neuromuscular applications (PMID: 40756949), and a 2025 Journal of Neuropsychiatry and Clinical Neurosciences perspectives paper positioning BPC-157 as an emerging therapeutic for CNS disorders

hydrochloride (HCl) is a salt with hydrochloric acid

For the science on individual compounds, see our evidence-based peptide guide

Controlled long-term data comparing tolerance development between the two compounds does not yet exist