May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
April 2023 in “Pharmacognosy Magazine” Cerasus serrulata flower extracts can help turn grey hair black again.
62 citations
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December 1966 in “Endocrinology” Injecting α-MSH made mice's hair turn black.
June 2025 in “BMJ Case Reports” Axitinib treatment turned a man's grey hair back to black.
1 citations
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January 2023 in “SAGE open medical case reports” A new treatment called deucravacitinib helped a patient with severe hair loss grow their hair back quickly.
77 citations
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January 1993 in “Skin Pharmacology and Physiology” Steroids stop hair growth temporarily but don't block the signals that start it.
November 2023 in “Cell Biology International” Tiny particles from umbilical cord stem cells may help hair grow back in a type of hair loss.
236 citations
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April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
January 2025 in “Journal of Materials Chemistry B” A new treatment using special microneedles and a nitric oxide-releasing drug could improve hair growth and be more convenient for people with hair loss.
January 2018 in “Journal of Cosmetics, Dermatological Sciences and Applications” Hair transplant surgery can successfully treat hair loss at the back of the neck.
December 2015 in “Journal of skin and stem cell” Using a gel called Diclofenac can potentially cause hair to grow back in bald spots in older men.
1 citations
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January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
13 citations
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June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
1 citations
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October 1993 in “PEDIATRICS” Using hot curling irons and hair gels can cause seizures in young black girls during hair grooming.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” About one-third of Saudi women with female pattern hair loss also have thinning hair at the back of their head.
April 2002 in “Postgraduate medicine” A 4-year-old boy's itchy, scaly scalp and hair loss were correctly diagnosed as tinea capitis after initial misdiagnosis.
3 citations
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June 2002 in “Transgenic Research” Scientists made a mouse that can be made to lose hair and then grow it back.
22 citations
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September 2014 in “Veterinary Dermatology” Low-level laser therapy seems to help dogs with noninflammatory alopecia grow hair back.
1 citations
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January 2003 in “Annals of Dermatology” Hair in the front part of the scalp is more likely to fall out than hair in the back in acute telogen effluvium.
51 citations
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September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
47 citations
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March 1987 in “The Journal of dermatologic surgery and oncology” Carbon dioxide laser treatment effectively removed facial hair cysts without scarring or them coming back.
32 citations
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January 2000 in “Skin pharmacology and physiology” Certain substances that block a specific protein help promote hair growth.
3 citations
,
December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
1 citations
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January 1995 in “Journal of Investigative Dermatology” RU58841, a substance from France, can potentially block the effects of hormones that cause hair loss and excessive hair growth, performing better than a similar substance, cyproterone acetate.
March 2025 in “Pain Physician” Cooling the skin before injections reduces pain for patients with hair loss.
June 2024 in “Skin Research and Technology” Severe male pattern hair loss is linked to lower hair density in the back of the head.
September 2022 in “Journal of Case Reports and Medical History” Many new moms lose hair after childbirth due to hormonal changes, but it usually grows back within a year.
January 2021 in “Dalhousie Medical Journal” Alopecia, a hair loss issue, needs both medical and psychological treatments due to the limited effectiveness of drugs alone.
September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.