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.
December 2025 in “PubMed” The minoxidil and finasteride foam remains stable and effective for 180 days at room temperature.
October 2017 in “Anesthesia and Pain Medicine” Repeated left stellate ganglion blocks may improve skin elasticity, water content, and hair follicle density on the treated side.
7 citations
,
August 2015 in “Dermatologic Surgery” The cross beam laser is a useful tool for safely measuring scalp stretchiness to improve hair transplant results.
2 citations
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September 2017 Laser Lax is a new tool that measures scalp looseness accurately and comfortably.
501 citations
,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
63 citations
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October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
21 citations
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December 2012 in “Maturitas” Testosterone implants in women require pharmacological dosing to be effective and are generally safe and well-tolerated.
3 citations
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January 2008 in “BioTechniques” Botulinum toxin may help hair growth, but more research is needed to confirm its effectiveness.
2 citations
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July 2015 in “The Open Dermatology Journal” Trichoscopy is a tool for detailed examination of hair and scalp diseases.
1 citations
,
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Quantifying hair shape is better than using racial categories for understanding hair characteristics.
1 citations
,
January 2018 in “Springer eBooks” The document concludes that scalp cooling and treatments like minoxidil can help manage hair loss from cancer therapy.
February 2026 in “Bioengineering” Hyperbaric oxygen therapy may improve hair and scalp health.
October 2025 in “Asian Journal of Pharmaceutical Research” Herbal shampoos made from natural ingredients can effectively replace synthetic shampoos.
August 2023 in “Dermatologic Surgery” Wounding may stimulate hair growth, but more research is needed to confirm the safety and effectiveness of related treatments.
The tool accurately measures hair count and size on scalps with 79.45% and 68.19% accuracy, respectively.
September 1997 in “Journal of The European Academy of Dermatology and Venereology” Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.
January 2025 in “Theseus (Ammattikorkeakoulujen)” SpruceSugar™ may help balance scalp oil and improve skin barrier function.
The document concludes that the FOLLYSIS© system improves hair transplant processes and patient monitoring with high accuracy and less skin trauma.
83 citations
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April 1999 in “Dermatologic Surgery” The research found that for a typical hair density, about 11 square centimeters of donor scalp is needed to get 800 hair grafts for transplantation.
23 citations
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October 2008 in “Experimental and Clinical Endocrinology & Diabetes” Hair can show increased cortisol levels during late pregnancy.
February 2025 in “JAAD International” Five monthly sessions of minoxidil-dutasteride-copper peptide tattooing significantly improve hair regrowth in men with androgenetic alopecia.
36 citations
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October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
7 citations
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January 2013 in “Supportive care in cancer” Hair mass index is a precise way to measure hair loss in chemotherapy patients.
August 2023 in “Journal of Cosmetic Dermatology” Using a laser with minoxidil was more effective for hair loss than minoxidil alone.
2 citations
,
March 1985 in “Journal of The American Academy of Dermatology” Minoxidil solution used on the scalp did not lower blood pressure in patients without hypertension.
1 citations
,
July 2008 in “Expert Review of Dermatology” Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.
August 2023 in “Skin Research and Technology” Measuring bald patch size can help grade hair loss severity, with photograph-based evaluation being more reliable.
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.
30 citations
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April 2009 in “Dermatologic Surgery” TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.