August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
September 2007 in “한국미용학회지” Weekly treatments increased hair density in men with androgenetic alopecia.
227 citations
,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
November 2023 in “Journal of Dermatological Science” Cells that move well may improve hair loss treatments by entering hair follicles.
5 citations
,
August 2011 in “Journal of Dermatological Science” Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.
Understanding hair follicle communication can help treat hair loss.
May 2024 in “Regenerative Therapy” Dendrobium officinale polysaccharide helps hair growth by activating the WNT signaling pathway.
September 2024 in “Journal of the American Academy of Dermatology” Dermatologists can detect smaller hair density changes than previously thought.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” T cells with memory features grow in number and gather around hair follicles when there are not enough immune cells.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
May 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Cannabidivarin (CBDV) helps new brain cells grow and develop in a specific brain area through a certain receptor.
112 citations
,
February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
41 citations
,
April 2009 in “Journal of comparative neurology” P2X3-IR fibers are widespread in rat skin and likely help detect pain.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
24 citations
,
December 2011 in “Journal of The American Academy of Dermatology” Caucasian hair is denser, but Asian hair is thicker in female pattern hair loss patients.
May 2025 in “Wound Repair and Regeneration” TSN6 peptide improves skin thickness and hair growth.
15 citations
,
May 2003 in “The Laryngoscope” FGF-1 causes spiral ganglion neurites to branch more.
11 citations
,
June 2012 in “Journal of Dermatological Science” Scientists identified a group of human skin cells with high growth and regeneration potential.
2 citations
,
September 2017 in “Plastic and Aesthetic Research” Healthy Han Chinese have lower hair density than whites and Africans, and transplanting 300 hair units can nearly restore normal hair density.
7 citations
,
August 2008 in “Immunogenetics” A gene mutation in mice causes increased mast cells and disorganized hair follicles in their skin.
8 citations
,
April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
10 citations
,
June 2013 in “International Journal for Vitamin and Nutrition Research” High hair calcium levels are linked to low calcium intake and low bone density.
April 2025 in “Cellular and Molecular Biology” Human dermal stem/progenitor cells can divide and differentiate more than hair follicle dermal papilla cells.
April 2023 in “Journal of Investigative Dermatology” Psoriasis patients did not show more brain atrophy or small vessel disease than controls, but longer psoriasis duration was linked to more brain atrophy.
3 citations
,
October 2021 in “Dermatologic Therapy” PRP with microneedling improves hair growth and patient satisfaction more than injections for androgenetic alopecia.
41 citations
,
July 2016 in “Journal of Investigative Dermatology” Dysplastic nevi have unique gene expressions, making them distinct from common melanocytic nevi.
October 2021 in “Journal of Investigative Dermatology” DPP4, a molecule in skin, helps heal large wounds and regrow hair follicles when its levels are reduced.
15 citations
,
December 2015 in “PLoS ONE” Fibroblasts can be mistaken for neural cells, so functional validation is needed.
13 citations
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July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
1 citations
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August 2024 in “Journal of Cutaneous and Aesthetic Surgery”