Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
July 2023 in “Journal of Education, Health and Sport” Fractional microneedle radiofrequency is a safe and effective skin treatment with minimal serious side effects.
Cinchona succirubra extract with caffeine reduces hair loss and strengthens hair.
Higher PD-1 levels mean fewer CD8+ T cells in alopecia areata hair follicles.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
January 2023 in “Journal of applied animal research” Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.
November 2022 in “Journal of Investigative Dermatology” The lotion with specific plant extracts effectively increased hair growth and improved hair cycle in subjects after 3 months.
January 2021 in “International journal of pharmaceutical research” Sansevieria trifasciata P. extracts, especially the ethyl acetate fraction, effectively promote hair growth in male rabbits with hair loss.
October 2020 in “International Journal of Research in Dermatology” Injecting your own platelet-rich plasma can improve hair loss treatment results with minimal side effects.
August 2019 in “Journal of the American Academy of Dermatology” The shampoo helps reduce hair loss and improves Minoxidil® absorption.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.
45 citations
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February 2002 in “International Journal of Cosmetic Science” Ceramide helps protect African–American hair from breakage.
16 citations
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November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
2 citations
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March 2010 in “Cosmetic Dermatology” Laser hair removal uses lasers to target and damage hair follicles to reduce hair growth.
October 2025 in “International Journal of Research in Dermatology” New laser technologies and methods are safer and more effective for hair removal on darker skin tones.
January 2019 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” Non-ablative radio frequency can potentially increase hair count in men with androgenetic alopecia, but some may be bothered by the smell during treatment.
70 citations
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February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
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.
12 citations
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January 2014 in “Menoufia Medical Journal” Dermoscopy improves diagnosis of hair and scalp disorders and can help avoid unnecessary biopsies.
10 citations
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January 2019 in “Skin Research and Technology” Southern Chinese women with female pattern hair loss have less, thinner hair and smaller hair follicles.
5 citations
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March 2021 in “International Journal of Dermatology” Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.
5 citations
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October 1984 in “The BMJ” Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.
2 citations
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January 2014 in “Turkish Journal of Medical Sciences” TrichoScan effectively diagnoses different types of hair loss and is linked to low iron stores in patients.
1 citations
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July 2022 in “Dermatologic Therapy” Both brands of biotin and dexpanthenol injections improved hair loss, with Bayer also increasing the ratio of thick to thin hairs.
1 citations
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January 2019 in “Journal of Biomedical Science and Engineering” CGF from platelets helps hair regrowth in people with androgenetic alopecia.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
October 2023 in “Research Square (Research Square)” Polynucleotide gel injections help reduce hair loss and increase hair thickness in people with pattern hair loss, with few side effects.
Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.