January 2016 in “대한피부과학회지” A 0.5 mm microneedle depth is more effective for increasing hair density in treating hair loss.
30 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
18 citations
,
June 2017 in “Proceedings of the National Academy of Sciences of the United States of America” A gene called Gk5 controls lipid production in the skin and affects hair growth.
3 citations
,
June 2017 in “Reproductive biomedicine online” A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.
2 citations
,
September 2012 in “Pharmaceutical patent analyst” European patent law now allows patents for new uses and dosages of known drugs, but protection scope is unclear.
Knocking out the FGF5 gene in sheep increased wool production and hair-follicle density.
June 2024 in “Archives of dermatological research” Both treatments work, but Minoxidil 0.5% MMP® is better for certain scalp areas and less advanced hair loss.
Higher TGF-β signaling may increase skin cancer risk in organ transplant recipients.
42 citations
,
August 1987 in “Archives of Dermatology” Squaric acid dibutylester led to complete hair regrowth in 28.5% of patients with alopecia areata.
20 citations
,
January 2019 in “Journal of dermatological science” Male hormones indirectly affect skin cell development by increasing growth factor levels from skin fibroblasts.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Ritlecitinib is generally safe for adolescents with alopecia areata over 5 years.
6 citations
,
November 2020 in “Clinical Cosmetic and Investigational Dermatology” Both concentrations of triamcinolone acetonide are effective for hair regrowth in patchy alopecia areata, but 5 mg/mL is recommended to reduce side effects.
October 2023 in “Sinkron” The system can accurately classify hair diseases with 94.5% accuracy using a CNN.
1 citations
,
September 2016 in “Actas Dermo-Sifiliográficas” 5-alpha reductase inhibitors may cause sexual side effects, breast complications, and other health risks in men with hair loss.
80 citations
,
September 1984 in “Journal of The American Academy of Dermatology” 5% minoxidil helps hair regrowth in androgenic alopecia.
10 citations
,
June 1998 in “International Journal of Dermatology” Inflammation around hair follicles leads to hair loss, and treatments should focus on reducing this inflammation and other factors for effectiveness.
March 2026 in “Journal of Aesthetic Nursing” Combining PRP and minoxidil works best for treating male hair loss.
January 2007 in “Yearbook of Dermatology and Dermatologic Surgery” Intramuscular triamcinolone and pulse therapy with oral predonine are effective for alopecia areata with manageable side effects, but better relapse prevention is needed.
14 citations
,
January 2020 in “Archivio Italiano di Urologia e Andrologia” Finasteride helps with prostate symptoms but may cause sexual side effects.
8 citations
,
January 2018 in “European journal of dermatology/EJD. European journal of dermatology” The girl's regrown brown hair had less of certain pigments than her original black hair.
7 citations
,
July 2022 in “Pharmaceuticals” Pumpkin Seed Oil in niosomes may help treat hair loss and improve hair growth.
6 citations
,
April 2016 in “PubMed” The review found that women using hair loss drugs like finasteride and dutasteride rarely reported sexual side effects.
5 citations
,
September 1997 in “Archives of Dermatology” The boy's hair loss was likely caused by a fungal infection.
2 citations
,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
A 5-year-old boy grew too much hair after using minoxidil, but it went away after stopping the treatment.
January 2023 in “Bioorganičeskaâ himiâ” The new compound is a promising, less toxic alternative to finasteride for treating prostate issues.
108 citations
,
February 2008 in “The Journal of urology/The journal of urology” Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.
45 citations
,
January 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
53 citations
,
May 1996 in “The Journal of Clinical Endocrinology & Metabolism” Different mutations in the 5 alpha-reductase-2 gene were found in affected individuals in the Dominican Republic, suggesting no common ancestry.