73 citations
,
October 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
15 citations
,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
4 citations
,
December 2022 in “Cells” Engineered nanovesicles from fibroblasts may help treat hair loss by promoting hair growth.
October 2025 in “International Journal of Cosmetic Science” USPlus® DERM may help hair growth and reduce hair loss.
40 citations
,
April 1999 in “Journal of Histochemistry & Cytochemistry” S100A3 protein is mainly found in specific parts of human hair cells.
November 2024 in “Stem Cell Research & Therapy” A new method improves the isolation of hair follicle cells for better hair growth research.
February 2026 in “Experimental Dermatology” Cyclohexyl salicylate may help hair growth and treat hair loss.
April 2024 in “International journal of clinical trials” SesZen-Bio™ improves hair density, thickness, and overall hair health.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
47 citations
,
July 2023 in “Nature Genetics” February 2026 in “International Journal of Molecular Sciences” Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.
July 2025 in “Journal of Investigative Dermatology” Ritlecitinib reduces alopecia areata symptoms by blocking JAK3/TEC signaling and T-cell activity.
7 citations
,
February 2009 in “Cell and tissue biology”
April 2025 in “Clinical Dermatology Review” Trichoscopy is effective for diagnosing hair and scalp disorders without invasive biopsies.
33 citations
,
September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
November 2009 in “Reactions Weekly” Two women lost hair after mesotherapy for hair loss, with one having permanent and the other temporary hair loss.
June 2014 in “Biotechnology and Bioprocess Engineering” Injecting lab-grown hair cells into the scalp can regrow hair.
1 citations
,
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Quantifying hair shape is better than using racial categories for understanding hair characteristics.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
39 citations
,
March 2022 in “Nature Protocols” Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.
6 citations
,
October 2000 in “International Journal of Dermatology” Preventing hair loss is more effective than regrowth; oral finasteride is a realistic option.
3 citations
,
March 2023 in “Scientific Reports” Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.
8 citations
,
July 2012 in “Cambridge University Press eBooks” Androgens can both increase body hair and cause scalp hair loss.
27 citations
,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
9 citations
,
November 2009 in “Journal of the European Academy of Dermatology and Venereology” Cutting scalp biopsies in consecutive slices improves diagnosis of hair loss conditions.
April 2017 in “Journal of Investigative Dermatology” Applying pseudoceramide improved skin and hair health.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
Ashwagandha-derived nanoparticles can promote human hair growth.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
52 citations
,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.