15 citations,
May 1989 in “PubMed” Psoriasis on the scalp causes smaller oil glands and thinner hair but doesn't lead to hair loss.
13 citations,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
176 citations,
August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
5 citations,
July 2020 in “JAMA Dermatology” Minoxidil solution applied twice daily improved hair growth in patients with Woolly Hair/Hypotrichosis due to LIPH gene issues, with mild side effects.
142 citations,
February 1985 in “Fertility and sterility” Spironolactone reduced hair thickness and some testosterone levels in women with excessive hair growth.
5 citations,
October 1988 in “Clinics in Dermatology” Minoxidil promotes hair growth but exact mechanism is unknown.
78 citations,
May 1989 in “The Journal of Clinical Endocrinology & Metabolism” Spironolactone effectively reduces hair growth in women with hirsutism and is generally well-tolerated.
91 citations,
July 2020 in “JAMA Dermatology” Minoxidil can improve hair growth in some patients with woolly hair due to LIPH variants, with varying responses and mild side effects.
8 citations,
February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
37 citations,
January 1987 in “Dermatology” Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.
61 citations,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
14 citations,
May 2017 in “InTech eBooks” Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
11 citations,
January 2017 in “Evidence-based Complementary and Alternative Medicine” DA-5512 effectively improves hair growth and health, performing better than minoxidil.
4 citations,
August 2020 in “Journal of Cosmetic Dermatology” QR 678 and QR678 Neo treatments are effective for hair loss in women with PCOS.
1 citations,
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
90 citations,
January 2009 in “Journal of cosmetic and laser therapy” Low-level laser therapy might help hair growth, but more research is needed.
17 citations,
February 2018 in “Journal of Cosmetic and Laser Therapy” The QR 678 hair growth treatment was safe and effective for hair regrowth in men and women.
15 citations,
December 2011 in “Journal of the European Academy of Dermatology and Venereology” Hair loss in systemic lupus erythematosus patients is unique and improves with treatment.
July 2018 in “Elsevier eBooks” The most common cause of hair loss in children is tinea capitis, followed by alopecia areata and telogen effluvium.
2 citations,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
August 2023 in “Dermatologic Surgery” Wounding may stimulate hair growth, but more research is needed to confirm the safety and effectiveness of related treatments.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
405 citations,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
25 citations,
April 2007 in “Journal of The American Academy of Dermatology” The document suggests "anisotrichosis" as a new term for hair thickness variation in common baldness.
11 citations,
January 2019 in “International Journal of Trichology” Mesotherapy is not significantly better than minoxidil for treating male hair loss.
April 2012 in “Informa Healthcare eBooks” The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.
52 citations,
January 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and spironolactone both reduce hirsutism, but finasteride lowers androgen levels more.
28 citations,
September 1998 in “Medical Clinics of North America” Most hair loss can be diagnosed with patient history and physical exam, and a few common types make up most cases.
25 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.