What I will say is if youre going to experiment with intranasal delivery, then do the following: Start at the lower end of the dosing range Assess tolerability Track your results systematically so you can actually evaluate whether its doing anything for you BPC-157 Nasal Spray Side Effects and Safety BPC-157 is not approved by the FDA or EMA for any medical use, and it is listed by WADA as a prohibited substance under peptide hormones and growth factors
GHK-Cu peptide , also known as Copper peptide GHK-Cu , is a naturally occurring tripeptide made from three amino acids bound to a copper ion

Anti-aging and longevity peptides Epithalon: Standard shelf life: 28-30 days refrigerated Maximum: 30-35 days Short peptide sequence, stable Thymosin Alpha-1: Standard shelf life: 28-30 days refrigerated Maximum: 45 days (pharmaceutical grade) Relatively stable peptide Semax and Selank: Standard shelf life: 28-30 days refrigerated Maximum: 30-35 days Short peptides, stable Sexual health peptides PT-141 (Bremelanotide): Standard shelf life: 28-30 days refrigerated Maximum: 45 days (pharmaceutical Vyleesi) Stable peptide Melanotan II: Standard shelf life: 28-30 days refrigerated Maximum: 35-40 days Relatively stable Copper peptides (GHK-Cu) GHK-Cu injectable: Standard shelf life: 28-30 days refrigerated Maximum: 30 days (copper can catalyze oxidation) More sensitive than other peptides due to copper ion Special note: Copper peptides may show visible degradation (color change to greenish/blue) if stored too long

Sermorelin can be compounded for growth hormone support as an alternative to banned secretagogues
For prescription topical formulations used consistently, initial improvements in texture, hydration, and radiance typically appear at 2 to 4 weeks, meaningful visible changes to firmness and fine lines at 4 to 8 weeks, maximum early results at 8 to 12 weeks, and full cumulative benefit at 3 to 6 months of consistent daily use