26 citations
,
June 2005 in “British Journal of Dermatology” Calretinin identifies the companion cell layer in human hair follicles.
23 citations
,
January 2016 in “Theranostics” Minoxidil-coated microbubbles with sonication effectively enhance hair growth.
109 citations
,
June 2000 in “Development” Notch pathway activation causes abnormal hair layer development.
46 citations
,
November 1998 in “Experimental Cell Research” K15 gene is mainly active in the basal layers of hair follicles and epithelia, aiding early skin cell development.
November 2016 in “Oncology Letters” Milia may come from the outer part of the hair follicle.
November 2023 in “Dermatologic Surgery” Lasers might help regrow hair in people with hair loss due to genetics.
67 citations
,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
46 citations
,
March 2013 in “Journal of Cosmetic and Laser Therapy” Non-ablative and ablative fractional lasers helped hair growth in some cases without major side effects, but didn't work for all hair disorders.
June 1999 in “Proceedings of SPIE” The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.
June 2025 in “Microorganisms” Microbial imbalances in hair follicles may contribute to hair loss, especially in women.
23 citations
,
December 2020 in “Frontiers in Cell and Developmental Biology” Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.
3 citations
,
August 2021 in “Clinics in Dermatology” Minoxidil is the main over-the-counter treatment for hair loss, with other options like finasteride, latanoprost, retinoic acid, antioxidants, biotin, nutraceuticals, and platelet-rich plasma therapy also showing promise.
1 citations
,
December 1989 in “PubMed” Hair follicle cells can be grown without extra support and may help in wound healing.
86 citations
,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
19 citations
,
May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
July 2021 in “British Journal of Dermatology” January 2014 in “프로그램북(구 초록집)” Laser and light treatments show promise for hair growth but need more research.
294 citations
,
August 1999 in “Journal of the American Academy of Dermatology” Laser hair removal is safe with the right settings, but side effects like pain and skin changes are more common in darker or tanned skin.
88 citations
,
March 2004 in “Journal of Investigative Dermatology” 11 citations
,
January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
8 citations
,
February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
2 citations
,
January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
165 citations
,
June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.