March 2022 in “Hair transplant forum international” Using a special laser and growth serum can safely increase hair thickness and density in people with hair loss.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
34 citations
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October 2012 in “Journal of Dermatology” Growth factors and microneedle therapy increase hair density in women with hair loss.
149 citations
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March 1981 in “American Journal of Ophthalmology” Eyelid mites may contribute to eye problems.
February 2026 in “International Journal of Molecular Sciences” PDLLA filler can improve hair thickness and shine by reducing age-related hair decline.
2 citations
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October 2014 in “International Journal of Trichology” Low-level laser therapy may increase hair density in pattern hair loss.
16 citations
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December 2016 in “Dermatologic Surgery” Higher scalp elasticity leads to wider scars after hair transplantation; a new method to measure elasticity may help predict scar size.
17 citations
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June 2002 in “Dermatologic Surgery” Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.
5 citations
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March 2018 in “Dermatologic Surgery” The study found that most donor sites are good for hairline restoration in Southeast Asian women, but hair characteristics should match for a natural look, and aging can reduce hair density and diameter.
39 citations
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April 2001 in “Journal of The American Academy of Dermatology” Latanoprost, a glaucoma medication, caused excessive eyelid hair growth in many patients.
October 2021 in “Journal of Investigative Dermatology” Edelweiss extract may help prevent hair loss and increase hair density.
Lipid carriers improve delivery of hair loss treatments to follicles.
January 2020 in “대한피부과학회지” Dutasteride effectively increases hair density in women with hair loss.
17 citations
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August 2018 in “Ophthalmic Plastic and Reconstructive Surgery” In ptosis, brow elevation doesn't lift the eyelid but is driven by efforts to raise the eyelid.
41 citations
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December 2008 in “International Journal of Dermatology” South Korean women with hair loss have lower hair density and thickness compared to healthy women.
24 citations
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September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
115 citations
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September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
January 2020 in “프로그램북(구 초록집)” Low-level light therapy with a helmet device can increase hair density and improve scalp appearance.
East and Southeast Asians typically have less dense but thicker, straight black hair.
71 citations
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May 1991 in “Clinical and Experimental Dermatology” Young men with male pattern baldness lose hair density over time without treatment.
January 2024 in “Pakistan Journal of Medical & Health Sciences” Innovative techniques improve hair transplant results and satisfaction in patients with low donor hair density.
3 citations
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July 2016 in “International Journal of Dermatology” Minoxidil treatment increased hair density in a young Asian girl with short anagen syndrome, but didn't improve hair length or thickness.
Latanoprost increases VEGF protein in human cells, which may help hair growth.
16 citations
,
January 2002 in “Dermatology” Early baldness is noticed due to both reduced hair density and thinner hair shafts.
7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
36 citations
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November 2005 in “Journal of The American Academy of Dermatology” Topical latanoprost doesn't effectively regrow hair in severe eyebrow alopecia areata cases.
2 citations
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January 2010 Hair density is better measured by counting hairs over 40 microns thick.
57 citations
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August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
Topical minoxidil increases hair density in androgenetic alopecia but has unclear clinical significance.