36 citations
,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
1 citations
,
June 2016 in “Medicina” Monilethrix is a genetic disorder causing brittle hair, diagnosed using tricoscopy.
June 2014 in “Professional Beauty” January 2007 in “UKnowledge (University of Kentucky)” Steers with winter hair coats and reduced sweating struggled with heat, leading to less grazing and poor performance.
September 2023 in “International Journal of Cosmetic Science” Both shampoos increased scalp germ numbers but did not change the overall microbial community composition.
Some dog skin mousse products with certain chemicals can prevent bacterial growth for up to 14 days, but effectiveness varies with hair length and product ingredients.
11 citations
,
November 1991 in “Journal of Neuropathology & Experimental Neurology” Brindled mice show abnormal catecholamine neuron development due to copper deficiency.
1 citations
,
November 2023 in “Frontiers in veterinary science” Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.
March 2022 in “Institutional Repositories DataBase (IRDB)” Philippine stingless bee propolis may promote hair growth and fight cancer.
41 citations
,
January 2018 in “Advances in experimental medicine and biology”
January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
April 2025 in “Research Journal of Topical and Cosmetic Sciences” Bromelain in shampoo is a safe and effective anti-dandruff treatment that improves hair health and shine.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
1 citations
,
January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Dicer is crucial for hair growth in mice.
The nanoemulsions effectively promoted hair growth in male rats.
Biotin and silica from plants improve hair, skin, and nail health.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
August 2021 in “Journal of the American Academy of Dermatology” 8 citations
,
March 2023 in “BMC Research Notes” Laser-capture microdissection effectively analyzes hair follicle microbiomes, revealing region-specific bacterial differences.
1 citations
,
November 1981 in “PubMed” No clear conclusion available.
7 citations
,
June 2001 in “PubMed” Pig ear skin is similar to human skin, making it useful for research, but it has some differences.
24 citations
,
September 2014 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy is reliable for diagnosing Temporal Triangular Alopecia and can prevent unnecessary biopsies and wrong treatments.
1 citations
,
September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
6 citations
,
March 2021 in “Journal of the American Academy of Dermatology” The Brigham Eyelash Tool for Alopecia (BELA) is a reliable way to measure eyelash loss in alopecia areata patients.
January 2013 in “China Animal Husbandry & Veterinary Medicine” IGFBP-5 likely plays a key role in goat hair growth.
42 citations
,
September 2015 in “Gene” FGF5s can block the effects of FGF5, which may help control hair growth in cashmere goats.
November 2024 in “International Journal of Cosmetic Science” Botanical extracts can improve scalp health by reducing oxidative stress.