Participant enrollment

Five steps to a hashed participant leaf.

Cohort cohort-2026-q2-ghkcu-02 · Follicular density change at week 16. Your participation is recorded as a hashed leaf in the cohort's Merkle tree - your identity stays on your device, only the leaf is bound.

Jurisdiction

step 1 / 5

Pick the jurisdiction you reside in. The protocol is classified as RUO; some jurisdictions do not permit participation under that classification.

Country of residence

Participation allowed

Cosmetic, non-prescription