research The Clinical Evaluation of Serum WS Biotin, a Novel Encapsulated Form of D‐Biotin With Improved Water Solubility, for Anti‐Hair Shedding Applications. A Prospective Single‐Arm, Nonrandomized, Pretest−Posttest Study
This study reported that applying Serum WS Biotin, a water-soluble form of D-Biotin, daily for 3 months significantly reduced hair shedding and increased hair strength in volunteers with moderate to excessive hair shedding, while showing good skin compatibility.

