Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
11 citations
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June 2013 in “PubMed” The automated flat iron can permanently straighten hair without chemicals, especially at 154°C, and silicone improves the results.
1 citations
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February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
July 2026 in “International Journal of Applied Pharmaceutics” Hair dyes, especially with PPD, can cause skin and rare systemic reactions, and safer alternatives are needed.
March 2005 in “Journal of The American Academy of Dermatology” The two lotions used day and night may be a good alternative to minoxidil for hair loss treatment with better cosmetic effects and tolerance.
31 citations
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April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
4 citations
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January 1993 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The new method is 1000 times more sensitive for measuring hair growth.
September 2006 in “Fertility and Sterility” Heavier birth weight may increase the risk of early hair graying in women.
October 2025 in “Journal of the Korean Society of Cosmetology” Dandelion extract mist protects hair from heat damage and improves styling.
2 citations
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July 2013 in “Fashion business” Keratin essence protects and improves damaged hair.
19 citations
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January 1997 in “Dermatologic Clinics” Most treatments for hair loss in 1997 were not effective for most people, and maintaining hair growth was difficult.
1 citations
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March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
40 citations
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June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
2 citations
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January 2004 in “AIP conference proceedings” Hair analysis can help screen for serious diseases like cancer and osteoporosis.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
34 citations
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December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
2 citations
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May 2016 in “Journal of Clinical Oncology” Topical calcitriol may reduce hair loss from chemotherapy at higher doses.
January 2025 in “International Journal of Scientific Research” High serum fluoride levels may be linked to hair loss.
June 2026 in “International Journal of Drug Delivery Technology” Herbal remedies show promise for managing premature hair greying but need more research.
9 citations
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June 2011 in “International Journal of Cosmetic Science” The new mild shampoo helped prevent hair loss in the subjects.
1 citations
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January 2012 in “CINECA IRIS Institutial research information system (University of Pisa)” 
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Blue light can help hair grow by affecting certain receptors in hair follicles.
January 2017 in “Nutrafoods - International Journal on Nutraceuticals, Functional Foods and Novel Foods” The supplement reduces hair loss and increases hair thickness in older women.
January 2006 in “Journal of Clinical Dermatology” January 2025 in “Springer proceedings in earth and environmental sciences” The eco-friendly hair oil promotes healthy hair growth and is safe and effective.
December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
November 2023 in “International Journal For Multidisciplinary Research” Herbal hair oil made with natural ingredients helps reduce hair loss, dandruff, and graying.