April 2011 in “Global journal of health science” Aldactone effectively reduces hair thickness in women with excessive hair growth, both alone and with other treatments.
April 2011 in “Global journal of health science” Spironolactone effectively makes hair shafts thinner in women with excessive hair growth.
23 citations
,
July 1989 in “Postgraduate medical journal” Spironolactone did not make hair thinner in women with excess hair growth.
16 citations
,
January 1989 in “Springer eBooks” Cyproterone acetate effectively treats female hair loss by increasing healthy hair and decreasing unhealthy hair, but doesn't change hair thickness.
15 citations
,
May 1989 in “PubMed” Psoriasis on the scalp causes smaller oil glands and thinner hair but doesn't lead to hair loss.
March 2021 in “British Journal of Dermatology” PRP helps hair regrowth and thickness.
4 citations
,
November 2011 in “Archives of Dermatology” Hamilton scale imprecise, hair shaft diameter decreases, stem cell transplant regrows hair, ECP ineffective for alopecia areata universalis.
3 citations
,
June 2021 in “Journal of Cosmetic Dermatology” The micrometer caliper is a reliable tool for measuring hair diameter for FUE surgery.
17 citations
,
January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
16 citations
,
October 2012 in “British Journal of Dermatology” Chemotherapy can cause significant hair thinning and changes in hair texture, while tamoxifen has a smaller effect.
3 citations
,
January 2021 in “Hair transplant forum international” The Hair Diameter Index (HDI) was created to help plan hair restoration surgery after finding that visual hair density is linked to hair count and thickness, not volume.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.
25 citations
,
August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
61 citations
,
July 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.
January 2020 in “International journal of scientific research” Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.
5 citations
,
July 2010 in “Journal of life sciences” Gray hair has more continuous medullation and a higher medullary diameter than black hair.
July 2009 in “Medical & surgical dermatology” Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.
25 citations
,
May 2007 in “Journal of The American Academy of Dermatology” The document suggests "anisotrichosis" as a new term for hair thickness variation in common baldness.
1 citations
,
October 2019 in “Journal of The European Academy of Dermatology and Venereology” New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).
90 citations
,
January 2009 in “Journal of cosmetic and laser therapy” Low-level laser therapy might help hair growth, but more research is needed.
5 citations
,
September 2006 in “Natural medicines/Journal of natural medicines” Microscopic hair features can identify different Cauda Cervi species.
3 citations
,
April 1978 in “PubMed” The study concludes that traction alopecia, caused by hair styling, can help understand telogen effluvium, a condition of excessive hair loss.
December 2023 in “Lasers in Medical Science” Fractionated laser therapy, especially erbium-glass laser, effectively increases hair thickness in people with hair loss but doesn't increase the number of hairs.
43 citations
,
August 2013 in “Pediatric Dermatology” Trichoscopy is good for diagnosing and monitoring hair and scalp problems in children but needs more research for certain conditions.
13 citations
,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
8 citations
,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
June 2024 in “Journal of clinical oncology” Scalp cooling can effectively prevent hair loss during chemotherapy, improving patients' quality of life.
September 2023 in “Medical lasers” The botanical shampoo with Morus alba root extract is safe and effective for treating hair loss.
September 2002 in “Dermatologic Surgery” The recipient site can affect the growth and survival of transplanted hair but not its thickness.
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.