January 2023 in “IGI Global eBooks” This review covers the diverse applications of Cannabis sativa in areas like cancer treatment, skin care, and alopecia, but reports no new clinical results; continued research faces challenges due to legal variability.
November 2025 in “Journal of Investigative Dermatology” CBD can help hair grow by supporting scalp health and reducing inflammation.
14 citations
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February 2021 in “Experimental Dermatology” This study found that activating CB1 receptor signaling in human hair follicles increased stem cell proliferation while reducing differentiated cell survival, suggesting CB1's role as a survival stimulus for epithelial stem cells.
26 citations
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May 2014 in “BioEssays” This review discusses how neuroendocrine pathways influence keratin regulation in human skin and hair follicles and suggests these pathways as potential targets for new treatments of skin disorders, but reports no clinical results.
April 2018 in “Journal of Investigative Dermatology” This study identified the osteopontin-derived peptide, FOL-005, as a potential inhibitor of unwanted human hair growth by promoting catagen development without reducing stem cell numbers or showing toxicity.