research Age-Related Changes in Female Scalp Dermal Sheath and Dermal Fibroblasts: How the Hair Follicle Environment Impacts Hair Aging 14 citations, December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
research Millet Seed Oil Activates Beta-Catenin Signaling and Promotes Hair Growth 1 citations, May 2023 in “Frontiers in Pharmacology” Millet seed oil may help hair grow by activating certain cell growth signals.