3 citations
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November 2018 in “Hair transplant forum international” Using body hair with scalp hair for hair transplants improves density and coverage in severe hair loss cases.
March 2026 in “International Journal of Research and Review” Rosmarinus officinalis tincture significantly improves hair volume and density.
3 citations
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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.
7 citations
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November 2007 in “PubMed” Turkish women with female pattern hair loss have lower hair density, and visual counting is more effective than digital image analysis for detecting this.
February 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Minoxidil 0.25 mg with spironolactone 25 mg reduces hair loss and improves hair density in women.
6 citations
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December 2018 in “Australasian Journal of Dermatology” The Trichoscopy Derived Sinclair Scale offers a more accurate and reliable way to measure hair loss severity than the traditional visual method.
March 2026 in “Mendeley Data” rwSALT provides precise hair regrowth measurement from scalp photos.
December 2022 in “JEADV Clinical Practice” Hair density and thickness decrease in specific scalp areas in people with androgenetic alopecia.
1 citations
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February 2020 in “Drug Design Development and Therapy” Low-dose Minoxidil combined with Spironolactone helps reduce hair loss and improve hair density in women, with some mild side effects.
June 2004 in “Dermatologic Surgery” Dr. Walter P. Unger suggests that copying a person's natural hair direction and angle during transplants leads to a more natural and fuller appearance.
February 2026 in “Preprints.org” Hyperbaric oxygen therapy may improve hair growth and scalp health.
9 citations
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March 2007 in “Hair transplant forum international” Densitometry and video-microscopy are precise for evaluating hair loss and transplant success but need special equipment and training.
1 citations
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September 2023 in “Journal of cosmetic dermatology” Silybum marianum flower extract may help increase hair growth and decrease hair loss.
September 2013 in “Daehan hwajangpum hakoeji/Daehan hwa'jangpum haghoeji” Shampoo with ginseng helped improve hair thickness, density, growth, and reduced hair loss.
August 2023 in “Asian journal of pharmaceutical and clinical research” Intense Pulsed Light is an effective and safe hair removal method for people with excessive hair growth.
90 citations
,
October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
October 2025 in “Brazilian Journal of Case Reports” Combining PRP and mesotherapy effectively improved hair density and scalp health in a patient with severe hair loss.
January 2024 in “JEADV clinical practice” The study helps doctors use patient images to understand and apply SALT scores for treating severe alopecia areata.
Minoxidil and a solvent mixture can prevent hair loss caused by chemotherapy in mice.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Topical gabapentin was safe and effective for treating scalp symptoms and promoting hair regrowth in cicatricial alopecias.
December 2025 in “International Journal of Cosmetic Science” A new tool helps better assess and treat hair loss in Chinese men.
32 citations
,
January 2008 in “Journal of Microencapsulation” Cosmetics with hinokitiol-loaded nanocapsules were found to effectively promote hair growth.
July 2025 in “Microscopy and Microanalysis” Intermittent compression therapy is safe and doesn't harm tissue.
4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
27 citations
,
February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
February 2015 in “Dermatologic Surgery” Smaller reticle sizes are as accurate as the standard size for measuring hair density in hair restoration.
13 citations
,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
2 citations
,
February 2020 in “Journal of Plastic Surgery and Hand Surgery” Good-looking donor sites for hair transplants usually have higher hair density and thicker hair.
1 citations
,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
61 citations
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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.