7 citations
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June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
6 citations
,
September 2024 in “Frontiers in Physiology” Overexpression of R-spondin 3 leads to sparse hair and impaired hair regeneration.
1 citations
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August 2021 in “International journal of cosmetic science (Print)” Using piroctone olamine on the scalp helps reduce hair loss and improves scalp health.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
53 citations
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November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
27 citations
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December 2020 in “Experimental Dermatology” Grey hair and baldness may be linked to COVID-19 severity, but more analysis is needed; post-infectious hair loss is related to the severity of the disease and usually recovers within 3-6 months.
1 citations
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July 2021 in “Forensic science international” Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
1 citations
,
January 2009 in “The Korean Society of Beauty and Art” Korean Wild Ginseng extract may increase hair thickness and satisfaction among users, but not significantly increase hair count.
June 2023 in “Annals of the College of Medecine” Low iron levels are linked to more hair loss in women with chronic hair shedding.
September 2022 in “Tạp chí Y Dược học Cần Thơ” Grapefruit peel essential oil with Gleditsia sinensis extract can make hair grow faster and longer in mice.
Scalp flaps in hair restoration surgery provide immediate results, prevent temporal hair loss, offer great density, and allow for large hair re-allocation, making them a popular choice, especially in Asian countries.
119 citations
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November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
66 citations
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September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
56 citations
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January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
39 citations
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December 2013 in “Phytotherapy Research” Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.
30 citations
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April 2009 in “Dermatologic Surgery” TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.
27 citations
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April 2011 in “International journal of legal medicine” In situ DNA labeling in hair can help predict forensic DNA analysis success.
26 citations
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February 2020 in “International Journal of Biological Macromolecules” Chitosan-coated dutasteride nanocapsules improve hair treatment, and physical stimulation boosts effectiveness.
21 citations
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March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
20 citations
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August 2017 in “Drug testing and analysis” Drugs localize differently in hair strands based on their properties.
16 citations
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March 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The Notch signaling pathway helps in mouse hair development through a noncanonical mechanism that does not rely on RBPj or transcription.
15 citations
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June 1996 in “Journal of Pharmacy and Pharmacology” Caffeine levels in hair and blood can indicate liver health.
10 citations
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May 2019 in “Archives of Plastic Surgery” Follicular unit extraction (FUE) causes less postoperative pain than follicular unit transplantation (FUT), but pain from both methods decreases significantly within two days.
7 citations
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February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
7 citations
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March 2002 in “Aesthetic Surgery Journal” In 2002, hair restoration improved by using a different area for grafts and absorbable sutures, leading to less discomfort and better results.
5 citations
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December 2011 in “Journal of Cosmetic Dermatology” Patients who have hair restoration surgery at different clinics are more likely to experience increased sensitivity after surgery.
4 citations
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April 2022 in “International Journal of Biological Macromolecules” The mix of bacterial cellulose and soybean protein helps wounds heal faster, regrow hair, and reduces scarring and inflammation.
2 citations
,
June 2024 in “Journal of the Korean Society of Cosmetology” Aroma scalp massage improved scalp condition and satisfaction but not hair thickness or density.
2 citations
,
March 2022 in “Applied sciences” Lespedeza bicolor extract promotes hair growth and increases hair follicle cell growth, potentially making it a better treatment than minoxidil.
2 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.