January 2024 in “Journal of cellular immunology” Hair follicle stem cells are important for maintaining healthy skin and interact with many signals.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
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.
56 citations
,
December 1990 in “Differentiation” Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.
14 citations
,
February 2011 in “Experimental dermatology” A protein called COMP is part of the connective tissue in normal human hair follicles and may be important for hair health.
7 citations
,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
27 citations
,
October 2020 in “Biomedicine & Pharmacotherapy” Hair follicle stem cells help skin heal and grow better.
26 citations
,
July 2006 in “International Journal of Cosmetic Science” Taurine helps protect and promote hair growth.
8 citations
,
January 2014 in “Annals of Dermatology” The research suggests that p63 and TGF-β1 may help determine tumor type and malignancy in hair follicle and sebaceous tumors.
2 citations
,
September 2004 in “Experimental Dermatology” VR1 signaling can inhibit hair growth by affecting cell processes and increasing hair growth inhibitors.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
6 citations
,
September 2019 in “Skin pharmacology and physiology” RCS-01 therapy is safe and may improve skin structure by affecting gene expression.
68 citations
,
December 1983 in “British Journal of Dermatology” Major histocompatibility antigens are found in specific skin cells and structures, but not in sweat glands.
43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.
4 citations
,
August 2005 in “Archives of Dermatological Research” Higher p63 and CD34 levels found in specific scalp areas may affect hair loss progression.
December 2025 in “Cureus” Topical treatments like AHAs, BHAs, and urea may help keratosis pilaris, but evidence is limited.
January 2025 in “International Journal of Pharmacognosy and Clinical Research” The herbal scalp serum may help hair growth by reducing DHT levels.
184 citations
,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
67 citations
,
December 2019 in “PloS one” Beta-caryophyllene helps improve wound healing in mice, especially in females.
3 citations
,
April 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Beta-caryophyllene, found in essential oils, helps wounds heal better in multiple ways.
51 citations
,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
22 citations
,
March 2017 in “Scientific reports” Double-stranded RNA causes inflammation in hair follicle cells, which may help understand and treat alopecia areata.
18 citations
,
December 2020 in “Frontiers in cell and developmental biology” miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
9 citations
,
June 2020 in “Tissue Engineering and Regenerative Medicine” HHORSC exosomes and PL improve hair growth treatment outcomes.
3 citations
,
November 2019 in “Journal of Investigative Dermatology” Adenosine helps human hair grow and prevents hair loss by targeting specific cells.
1 citations
,
July 2016 in “Livestock science” Nerve growth factor helps cashmere goat hair cells grow and is more active during the hair growth phase.
14 citations
,
December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.