research A Clinical Evaluation of the Safety, Efficacy, and Tolerability of the Soulflower Rosemary Redensyl Hair Growth Serum, Tetragain™, in Healthy Female Subjects for the Treatment of Alopecia: Promoting Hair Growth and Reducing Gray Hair
This study reported that Soulflower Rosemary Redensyl Hair Growth Serum (Tetragain™) significantly improved hair growth, increased hair thickness, reduced hair fall, and decreased graying over 120 days, with participants rating the treatment as effective and experiencing no adverse effects.

