122 citations
,
April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
49 citations
,
August 2004 in “The FASEB Journal” Mice with human skin protein K8 had more skin problems and cancer.
29 citations
,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
13 citations
,
June 2007 in “Journal of Dermatological Science” Researchers created a cell line to study hair growth and found specific genes affected by dihydrotestosterone.
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” ILC1-like cells can cause alopecia areata by attacking hair follicles.
January 2022 in “Surgical & Cosmetic Dermatology” Fat grafting before FUE hair transplantation effectively treats scalp scars.
April 2019 in “Advances in Cosmetic Surgery” The document concludes that ongoing medical therapy is crucial for preventing hair loss, and surgical options can restore hair, with future treatments for hair loss being promising.
7 citations
,
October 2013 in “British Journal of Dermatology” HIV can cause skin disorders, which are often the first sign of infection, especially in people with darker skin.
5 citations
,
October 1988 in “Clinics in Dermatology” Minoxidil promotes hair growth but exact mechanism is unknown.
May 2026 in “Journal of Dermatological Science” Collagen XVIIα1 decline causes skin and hair aging.
12 citations
,
June 2018 in “Journal of Cosmetic Dermatology” PRP is effective for hair loss and might work better with other treatments, but more research is needed.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
49 citations
,
September 2007 in “Journal of Investigative Dermatology” The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.
29 citations
,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
14 citations
,
February 2020 in “Scientific reports” Telocytes in the scalp may help with skin regeneration and maintenance.
47 citations
,
December 2011 in “Experimental Dermatology” CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
12 citations
,
May 2012 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Human scalp hair follicles can be used to study how prolactin affects hair growth and cell death.
1 citations
,
August 2023 in “Journal of Investigative Dermatology” Farudodstat may help treat alopecia areata by protecting hair follicles.
February 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair follicles protect melanocytes from sun damage, helping them replenish skin.
Farudodstat may effectively treat alopecia areata by protecting hair follicles without harmful effects.
3 citations
,
August 2012 in “Annals of Diagnostic Pathology” AIDS may cause changes in the scalp that increase infection risk and hair loss.
66 citations
,
December 2014 in “Nature Communications” Fibroblasts can be turned into melanocytes for potential skin treatments.
14 citations
,
June 2021 in “Journal of dermatological science” Argan press cake extract might help grow hair and protect hair cells from damage and inflammation.
October 2012 in “Journal of Dermatological Science” Erythropoietin can promote hair growth by increasing IGF-1 in hair cells.
63 citations
,
November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
1 citations
,
November 2023 in “Journal of Investigative Dermatology” Farudodstat may effectively treat alopecia areata without harming hair follicles.
9 citations
,
September 2022 in “Pharmaceutics” Porcine placenta extract may improve hair growth and skin health.
9 citations
,
July 2013 in “Experimental Dermatology” Aging reduces the ability of human hair follicle cells to form new cell colonies.
December 2025 in “Molecules” DPP may help hair regrowth by improving blood vessel function under stress.