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Theyre searching for something more targeted, bioavailable, and efficientespecially among high performers, fitness enthusiasts, and those dealing with aging-related degeneration

Topical peptide products (the kind sold on Amazon, Sephora, or by direct-to-consumer brands) deliver lower doses through the skin barrier and produce milder, slower results focused on cosmetic improvement

While the peptide may dissolve in sterile water, the absence of preservatives like benzyl alcohol makes it prone to bacterial contamination

Athletes with muscle, tendon, cartilage, and ligament problems have been particularly curious about peptides, orthopedics and sports medicine experts say