research Indian Head Cactus (Parodia Ottonis Ssp. Ottonis) Extract Promotes Hair Growth in Cultured Human Follicle Dermal Papilla Cells April 2023 in “Biomedical Journal of Scientific and Technical Research” Indian head cactus extract may help hair grow by boosting important cell activity and gene expression.
research Editor's Evaluation: Involvement of ILC1-Like Innate Lymphocytes in Human Autoimmunity, Lessons from Alopecia Areata September 2022 ILC1-like cells can independently cause alopecia areata by affecting hair follicles.