August 2019 in “Aesthetic Surgery Journal” PRP can boost hair growth and thickness, especially in early stages of hair loss, but its effectiveness varies and there's no set method or treatment frequency. Stem cells also show promise for increasing hair density.
July 2018 in “Elsevier eBooks” Telogen Effluvium is a common, usually reversible hair loss condition, often improved by removing the trigger and possibly treated with various products, though their effectiveness is uncertain.
November 2017 in “Dermatologic Therapy” A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
August 2017 in “Companion animal” Focal alopecia in dogs has many causes and requires various tests for accurate diagnosis and treatment.
January 2011 in “Plastic Surgery” Hair grafts successfully restored a realistic beard and hid scars, satisfying the patient.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
June 2018 in “Advances in Cosmetic Surgery” Hair loss caused by genetics and hormones; more research needed for treatments.
232 citations
,
December 2005 in “Andrology” PCOS is caused by both genetics and environmental factors like diet and obesity.
October 2025 in “International Journal of Reproduction Contraception Obstetrics and Gynecology” The combined therapy improved fertility in women with PCOS, especially in certain types.
4 citations
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January 2014 in “Indian Journal of Endocrinology and Metabolism” Indian women with PCOS may need different ultrasound criteria for diagnosis than current standards.
2 citations
,
March 2021 in “Cosmetics” Hair transplant surgery is the most effective, safe, and satisfying treatment for hair loss.
508 citations
,
February 2007 in “Cell” Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.
277 citations
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June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
256 citations
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October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
254 citations
,
January 2012 in “Nature Reviews Molecular Cell Biology” Stem cell offspring help control their parent stem cells, affecting tissue health, healing, and cancer.
236 citations
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July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
236 citations
,
January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
234 citations
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February 2001 in “British Journal of Dermatology” FPHL affects hair density and diameter, causing visible hair loss in older women.
234 citations
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December 1996 in “Journal of The American Academy of Dermatology” Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.
211 citations
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October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
208 citations
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December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
179 citations
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September 1998 in “BMJ” Hair loss in men is common, treatable, but not curable.
156 citations
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December 2012 in “Cell Stem Cell” TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.
145 citations
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November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
138 citations
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July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.
133 citations
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September 2013 in “Nature Reviews Molecular Cell Biology” Different types of stem cells and their environments are key to skin repair and maintenance.
129 citations
,
January 2009 in “International Journal of Trichology” Trichoscopy can diagnose female hair loss with high accuracy by looking for specific patterns in hair and scalp appearance.
118 citations
,
January 2016 in “Current Topics in Developmental Biology” The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.
118 citations
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April 1998 in “Dermatologic Clinics” Finasteride and minoxidil are effective for hair regrowth, while treatments for alopecia areata have varying success and continuous treatment is necessary.
116 citations
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September 2020 in “Nature Communications” The research identified various cell types in mouse and human teeth, which could help in developing dental regenerative treatments.