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SLU-PP is available through research peptide suppliers, usually labeled not for human use. Its legal status varies internationally, and quality control is not guaranteed.

By contrast, intranasal N-Acetyl Semax Amidate is generally available for research as either a 0.3% or a 0.1% nasal spray, both of which deliver 300mcg of the peptide per pump

Kritchevsky SB, Beavers KM, Miller ME, Shea MK, Houston DK, Kitzman DW, et al

We use temperature-controlled shipping for peptide integrity

Shop GHK-Cu Copper Peptide Serum Frequently Asked Questions GHK-Cu produces measurable improvements in skin firmness, wrinkle depth, texture, and hydration with consistent topical use