So this exists now. A clinic in Dubai called Longevium just released a perfume with Semax, Selank, and NAD+ in it. $240, 50ml, alcohol-free. They call it "peptide perfume."
I laughed, then I read the page.
The pitch: instead of a normal spirit-based EDP, you spray a peptide solution on pulse points three times a day. Bottle is labeled like a prescription, batch number, lab, 12-month shelf life from first spray. No top notes, no base notes, just compounds and concentrations.
The obvious problem is that Semax works intranasally because it needs to cross the blood-brain barrier. Spraying it on your wrists is a different pharmacokinetic universe. They never claim a cognitive effect, the marketing copy is "ritual" and "skin longevity." If you're hoping for a topical Semax buzz, this isn't it.
What it seems to actually be: a daily skincare ritual that uses peptides as actives instead of the usual retinol/niacinamide stack, in a fragrance format. Alcohol-free matters here, because regular EDP is 80%+ ethanol and would fry anything bioactive on contact.
$240 puts it in Le Labo / Byredo territory, which is normal for niche compounded fragrance. Whether the peptides actually do anything for skin longevity I have no idea. Mostly posting because I want someone with derm or peptide chemistry background to weigh in.
Site is perfume.longevium.clinic if anyone wants to dig in.