47 citations
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April 2012 in “The Plant Journal” Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.
38 citations
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October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
146 citations
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May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
95 citations
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
65 citations
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January 2018 in “Nature Reviews Endocrinology” Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.
52 citations
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August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
40 citations
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March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
38 citations
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June 2019 in “International Journal of Molecular Sciences” Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.
29 citations
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July 1982 in “British Journal of Dermatology” Lithium treatment can cause increased hair shedding and hair loss in patients.
27 citations
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January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
19 citations
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July 2012 in “Biotechnic & Histochemistry” Less AgNOR protein production is linked to hair loss.
17 citations
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February 2015 in “International Journal of Molecular Sciences” A special mix from certain skin cells can help hair grow by making hair root cells grow faster and activating growth signals.
17 citations
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May 2014 in “Naunyn-Schmiedeberg's Archives of Pharmacology” 7-Phloroeckol from brown algae may help hair grow.
13 citations
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December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
6 citations
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January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
4 citations
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March 1989 in “The BMJ” Naproxen is not the cause of hair loss in a child; it's due to a toxic event with expected hair regrowth.
1 citations
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May 2024 in “PLoS ONE” Horse hair follicles can be stored at cool or room temperature for a week without losing RNA quality.
November 2025 in “Bioactive Materials” TQC shows promise for better hair regrowth in treating hair loss.
August 2025 in “Journal of the Korean Society of Cosmetology” People want more specialized shampoos for different scalp and hair needs.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
July 2024 in “International Journal of Pharmacognosy and Life Science” An herbal hair serum with natural ingredients can help reduce hair loss and improve hair health.
April 2018 in “Journal of Investigative Dermatology” A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.
87 citations
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April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
68 citations
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June 2005 in “Expert Opinion on Therapeutic Targets” Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.
30 citations
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April 2013 in “Journal of Investigative Dermatology” Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.
28 citations
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March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
20 citations
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February 2016 in “American Journal of Pathology” The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
13 citations
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January 2022 in “Stem cell reviews and reports” Mouse stem cells from hair follicles can improve wound healing and reduce scarring.
4 citations
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March 2019 in “Experimental Biology and Medicine” Exposure to 50 Hz electromagnetic fields may help mice grow hair faster.