Age-related changes in scalp glands may affect hair health, but sulforaphane might help.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
95 citations
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July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
August 2022 in “Precision Clinical Medicine” JAM-A helps hair regrowth in alopecia areata by protecting VCAN in skin cells.
June 2014 in “Biotechnology and Bioprocess Engineering” Injecting lab-grown hair cells into the scalp can regrow hair.
37 citations
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April 2017 in “npj Regenerative Medicine” PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.
4 citations
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January 2022 in “Journal of Bioscience and Bioengineering” Electric stimulation can increase hair growth by activating certain genes in skin cells.
August 2024 in “Food Bioscience” Bifidobacterium longum BB536 metabolites may help treat hair loss by repairing and promoting hair cell growth.
2 citations
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January 2022 in “Skin Pharmacology and Physiology” Dexamethasone increases the activity of androgen receptors in human skin cells, which may link it to certain types of hair loss.
July 2024 in “Journal of Nanobiotechnology” Mouse cell exosomes help hair regrowth and wound healing by activating a specific signaling pathway.
20 citations
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August 1997 in “PubMed” Increased K+ permeability alone may not promote hair growth.
2 citations
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December 2024 in “Journal of Photochemistry and Photobiology B Biology” Pulsed wave red LED light is more effective than continuous wave light for promoting hair regrowth.
January 2025 in “International Journal of Biological Macromolecules” Decorin helps hair growth by influencing specific cell signals.
March 2023 in “Asian Journal of Beauty and Cosmetology” HX109 herbal extract helps hair grow by boosting cell growth and reducing cell death.
November 2025 in “Stem Cell Research & Therapy” Human hair follicle cells can help regenerate hair and reduce inflammation, aiding in hair loss treatment.
3 citations
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June 2017 in “Journal of Physiology & Pathology in Korean Medicine” Puerariae Radix extract may help hair growth by increasing cell activity.
Consciousness Energy Healing Treatment may significantly increase hair cell growth.
March 2025 in “Regenerative Therapy” Spirulina maxima extract may help hair growth by boosting cell activity.
January 2022 in “Figshare” Exosomes from dermal papilla cells help hair stem cells grow through a specific signaling pathway.
81 citations
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September 2013 in “PLoS ONE” Primary and secondary hair follicle cells in Cashmere goats have different gene expressions affecting hair growth and size.
338 citations
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July 2009 in “Development” Sox2-positive cells determine specific hair follicle types in mammals.
5 citations
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May 2022 in “Biomedicines” Botryococcus terribilis and its compounds may promote hair growth and improve hair health.
1 citations
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January 2023 in “Burns and trauma” Tiny particles from 3D-grown skin cells speed up wound healing by promoting blood vessel growth.
1 citations
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December 2014 in “Journal of the Society of Cosmetic Scientists of Korea” CRF can cause hair loss, but blocking its receptors might prevent this.
2 citations
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July 2019 in “Journal of lasers in medical sciences” Laser treatment and synovial fluid can change hair follicle cells to resemble joint cells, with the changes being more significant when both treatments are used together.
68 citations
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December 2011 in “Journal of Investigative Dermatology” Sox2-positive dermal papilla cells have unique characteristics and contribute more to skin and hair follicle formation than Sox2-negative cells.
26 citations
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July 2016 in “PLOS ONE” Activating β-catenin in certain skin cells speeds up hair growth in mice.
January 2026 in “Applied Biological Chemistry” Ishophloroglucin A from Ishige okamurae may be a natural alternative for treating hair loss by inhibiting 5α-reductase and promoting hair growth.
August 2016 in “Journal of Investigative Dermatology” DHT reduces a cell's ability to promote hair growth, while 3D culture without DHT improves it.
27 citations
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December 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Dexamethasone may cause hair loss by stopping cell growth.