28 citations,
December 2008 in “Laboratory investigation” Activin activation in skin cells speeds up wound healing without affecting scar quality.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
6 citations,
October 1997 in “CNS Drugs” Psychotropic drugs can cause hair loss or excessive hair growth.
4 citations,
May 2012 in “Tissue Engineering and Regenerative Medicine” Scientists created three types of structures to help regrow hair follicles, and all showed promising results for hair regeneration.
3 citations,
June 2004 in “Alternative and Complementary Therapies” The document concludes that hair loss is influenced by genetics and other factors, and while treatments like finasteride can help, they have limitations and side effects.
2 citations,
March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
May 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” KAP-depleted hair causes less immune response and is more biocompatible for implants.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
190 citations,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
134 citations,
January 2010 in “Biomedical research” Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.
101 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.
96 citations,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
85 citations,
September 2013 in “International Journal of Molecular Sciences” Keratin 15 is not a reliable sole marker for identifying epidermal stem cells because it's found in various cell types.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
41 citations,
April 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting MED1 in skin cells causes hair loss and skin changes.
26 citations,
July 2016 in “PLOS ONE” Activating β-catenin in certain skin cells speeds up hair growth in mice.
25 citations,
May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
20 citations,
August 2014 in “PloS one” MED1 affects skin wound healing differently in young and old mice.
9 citations,
April 2006 in “American Journal of Pathology” SGK3 is essential for proper hair growth and health.
7 citations,
January 2016 in “Laboratory Investigation” TR3 is mainly found in hair follicle stem cells and may be involved in hair loss.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
Tailored nonsurgical cosmetic procedures are crucial for safely treating diverse skin types, especially skin of color.
January 2015 in “Springer eBooks” Fat-derived stem cells and their secretions show promise for treating skin aging and hair loss.
210 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
75 citations,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.
43 citations,
March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
34 citations,
January 2012 in “Journal of Dermatological Science” Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
21 citations,
November 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Telogen is an active phase with important biological processes, not a resting phase.