March 2025 in “Journal of Dermatological Treatment” Temporary hair shedding after minoxidil use may indicate effective treatment.
3 citations
,
April 2015 in “Dermatology practical & conceptual” Postmenopausal women can experience hairline recession, affecting their quality of life, and more research is needed for treatments.
Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
January 2020 in “Hair therapy & transplantation” Telogen effluvium is a common hair loss where hair sheds due to stress but new hair still grows.
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
January 2023 in “Springer eBooks” Most older adults experience pattern hair loss due to shrinking hair follicles, with men and women showing different balding patterns.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
56 citations
,
January 2001 in “Dermatology” Teloptosis is a key point in hair loss that could help in creating prevention-focused hair care strategies.
31 citations
,
August 1986 in “Plastic & Reconstructive Surgery” Nonabsorbable sutures cause less wound stretching and scarring than absorbable ones.
8 citations
,
December 1996 in “Dermatologic Surgery” Both ASR I and ASR II are effective scalp reduction techniques, with ASR I creating finer scars and ASR II removing more bald area and reducing stretch-back.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.
32 citations
,
June 1976 in “JAMA” Crash dieting can cause hair loss due to severe calorie restriction.
May 2022 in “British Journal of Dermatology” The girl's hair condition improved on its own in 24 months.
1 citations
,
January 1997 in “Skin Pharmacology and Physiology” Premature infants have less elastic hair than full-term infants.
September 2018 in “PubMed” Hair becomes thinner, grayer, and may fall out more as people get older, and styling habits can worsen these effects.
18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
August 2025 in “Journal of the American Academy of Dermatology” Minoxidil can temporarily increase hair shedding, causing anxiety and treatment discontinuation.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
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.
4 citations
,
October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
January 2024 in “Annals of dermatology/Annals of Dermatology” Weight loss can cause temporary hair loss, especially in women and older adults.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
34 citations
,
May 2013 in “Journal of the European Academy of Dermatology and Venereology” Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.
Calcium hydroxide in an ayurvedic product caused hair breakage.
100 citations
,
June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
November 2025 in “Journal of Clinical Medicine” The drinkable supplement reduced hair shedding and increased hair growth in women.