Blueprint Bryan Johnson Hair Peptide Serum Review 2026
Hair thinning hits hard, and so does the marketing around it. Bryan Johnson, the multimillionaire biohacker behind Project Blueprint, claims his $119 Peptide Hair Serum delivers “hair longevity rooted in science.” It promises eight synthetic peptides, nanoliposome delivery, and longevity ingredients like NMN and curcumin. I tested it for ten weeks on a thinning crown…
