7 citations
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May 2013 in “PubMed” A new hair loss treatment with two unique ingredients improved hair growth.
5 citations
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November 2009 in “Revista médica de Chile” Hair growth cycles in Chileans vary seasonally, with more hair resting in summer and growing in winter.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
32 citations
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June 1976 in “JAMA” Crash dieting can cause hair loss due to severe calorie restriction.
1 citations
,
June 2007 in “Journal of Oral and Maxillofacial Surgery” A woman experienced temporary hair loss after jaw surgery due to the stress of the operation.
1 citations
,
April 2018 in “Our Dermatology Online” Massaging the scalp with a cosmetic containing certain natural inhibitors can significantly regrow hair in men with pattern baldness.
70 citations
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January 2015 in “Journal of Clinical and Diagnostic Research” Hair loss from Telogen Effluvium usually gets better within 6 months after addressing the cause.
5 citations
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March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
2 citations
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August 2012 in “Cell Stem Cell” The study showed that some hair follicle stem cells wake up to grow hair while others stay asleep, and that the environment around them is important for hair growth.
October 2021 in “Research Square (Research Square)” Melatonin affects certain genes and pathways involved in cashmere goat hair growth.
45 citations
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October 2009 in “Dermatology” Half of the patients treated with a specific drug for skin cancer experienced hair loss not related to the drug's dosage.
12 citations
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March 2021 in “Regenerative Engineering and Translational Medicine” Exosomes from stem cells might help treat hair loss.
February 2026 in “Brazilian Journal of Implantology and Health Sciences” Chronic stress and high cortisol levels can cause hair loss by disrupting hair growth.
November 2023 in “Journal of Drug Delivery Science and Technology” Exosomes may help stimulate hair growth and improve hair loss conditions like androgenic alopecia.
September 2021 in “CRC Press eBooks” Telogen effluvium is a type of hair loss that happens when stress or illness causes many hairs to enter the resting phase and fall out.
January 2020 in “Nihon rinsho hifukaikai zasshi” A woman's temporary hair loss was caused by high prolactin levels from her medication.
January 2014 in “Surgical and Cosmetic Dermatology” Nutritional supplements can significantly reduce hair loss in telogen effluvium after three months.
122 citations
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April 1995 in “Journal of Cutaneous Pathology” The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
19 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
5 citations
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August 2015 in “Bioscience, Biotechnology, and Biochemistry” Obese mice with a leptin gene mutation have a longer resting phase in their hair cycle, which may help understand certain hair loss conditions.
January 2008 in “Acta Anatomica Sinica” Minoxidil promotes hair growth by delaying the hair's resting phase.
8 citations
,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
April 2024 in “Biomedicine & pharmacotherapy” Pilose antler extract helps hair grow in mice with a type of hair loss by speeding up the growth phase.
211 citations
,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
35 citations
,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
16 citations
,
January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
13 citations
,
March 2018 in “Pediatric Dermatology” Children with short anagen syndrome usually see their hair condition improve as they get older.
12 citations
,
July 1964 in “Archives of Dermatology” Selenium sulfide shampoo doesn't affect hair growth or rest phases.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.