Can a beauty supplement make hair thicker? new study investigates
Symptom relief
Ongoing
This 3-month study tests two doses of a dietary supplement containing biotin, collagen, keratin, and hyaluronic acid in 40 adults aged 21-50 with self-perceived thinning hair. Participants take either a low or high dose daily, and researchers measure hair thickness and strength u…
Phase: NA • Sponsor: Nutra Harmony LLC • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC