260 citations
,
June 2011 in “Cell” Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
27 citations
,
June 2023 in “Nature” Senescent melanocytes can boost hair growth by activating hair stem cells.
6 citations
,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.
3 citations
,
February 1996 in “Dermatologic Surgery” Walter P. Unger suggests using advanced hair transplant techniques for broader coverage, as they provide natural results and use donor tissue efficiently, while also recommending personalized planning due to the unpredictable progression of baldness.
1 citations
,
March 2019 in “Actas Dermo-Sifiliográficas” New cancer treatments are less harmful to hair but can still cause hair loss, color, shape, and growth changes.
30 citations
,
October 2016 in “Current research in translational medicine” Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
41 citations
,
September 2012 in “Cellular and Molecular Life Sciences” MicroRNAs play a crucial role in skin and hair health, affecting everything from growth to aging, and could potentially be used in treating skin diseases.
37 citations
,
August 2014 in “Journal of experimental botany” A gene in Arabidopsis thaliana, AtPRPL1, affects root hair length but not cell wall composition.
30 citations
,
December 2014 in “Toxicological Research” Peppermint oil can effectively promote hair growth without being toxic.
30 citations
,
May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
1 citations
,
May 2025 in “Animal Bioscience” Four genes affect hair follicle density in goats.
1 citations
,
March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” NAC1 controls certain enzymes that reduce root hair growth in Arabidopsis.
1 citations
,
May 2017 in “InTech eBooks” Some natural remedies may help with hair regrowth, but more research is needed to confirm their effectiveness and safety.
January 2025 in “International journal of Indian medicine” Use pure Ayurvedic oils instead of commercial ones for healthier hair.
February 2024 in “PloS one” Nutraceuticals that promote hair growth do not reduce tamoxifen's effectiveness in breast cancer treatment.
September 2023 in “Frontiers in cell and developmental biology” Vav2 changes how hair follicle stem cells' genes work as they age, which might improve regeneration but also raise cancer risk.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
January 2015 in “Journal of clinical & experimental dermatology research” A protein combining parathyroid hormone and collagen helped hair regrow in mice with a hair loss condition.
47 citations
,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
25 citations
,
March 2017 in “Experimental Dermatology” The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.
1 citations
,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
May 2025 in “International Journal for Research in Applied Science and Engineering Technology” Herbal hair oil can effectively prevent hair problems without side effects.
27 citations
,
January 2020 in “Experimental Dermatology” Immune cells affect hair growth and could lead to new hair loss treatments.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
February 2026 in “Chinese Medicine” Natural products might help treat hair greying.
58 citations
,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
25 citations
,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.