90 citations
,
December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.
86 citations
,
January 2021 in “Gland Surgery” Breast implants are generally safe, but textured implants may rarely cause lymphoma.
55 citations
,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
25 citations
,
October 2017 in “Clinics in Dermatology” Older adults commonly experience hair loss and nail disorders due to aging and health changes, affecting their quality of life.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
9 citations
,
February 2021 in “Frontiers in Cell and Developmental Biology” Older mice have stiffer skin with less elasticity due to changes in collagen and skin structure, affecting aging and hair loss.
January 2026 in “International Journal of Biological Macromolecules” Keratin in people with androgenetic alopecia shows specific changes that could help develop new treatments.
September 2024 in “Skin Research and Technology” AFM can help diagnose lichen planopilaris by identifying specific hair structure changes.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
August 2013 in “Pharmacy Today” Viviscal may modestly improve hair loss in women without adverse effects.
November 2025 in “BMC Genomics” Wrinkled skin in Xiang pigs is linked to gene changes related to oxidative stress and the extracellular matrix.
72 citations
,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
7 citations
,
January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
4 citations
,
November 2021 in “Frontiers in Cell and Developmental Biology” Aging causes hair loss and graying due to stem cell decline and changes in cell behavior and communication.
4 citations
,
July 2021 in “Dermatology and therapy” Hormone therapy increases facial and body hair in transgender men, while hair removal improves well-being in transgender women, but cost is a barrier as insurance often doesn't cover it. Dermatologists can use various treatments for these hair issues.
December 2025 in “The Journal of Basic and Applied Zoology” Red Sokoto goat fetuses develop firmer, pigmented skin with hair follicles as they grow.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
16 citations
,
December 2004 in “Aesthetic surgery journal” The hand rejuvenation method makes hands look younger by improving skin and filling out tissues.
79 citations
,
January 2019 in “International Journal of Molecular Sciences” Burn injuries in mice heal similarly to humans, with inflammation and cell changes normalizing over time.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
32 citations
,
September 2017 in “Journal of the American Academy of Dermatology” Oral isotretinoin effectively treats yellow facial papules in frontal fibrosing alopecia patients.
24 citations
,
November 2021 in “PLoS ONE” Ablative fractional laser treatment rejuvenates skin by altering gene expression and promoting wound healing and tissue regeneration.
20 citations
,
October 2013 in “British Journal of Dermatology” The document concludes that clinicians should be aware of common hair and scalp disorders in women of African descent and that more research is needed to develop effective treatments.
18 citations
,
June 2019 in “Clinical research in dermatology” Acne can't be cured but can be managed with treatments like benzoyl peroxide and diet changes; it's costly and can lead to scarring and mental health issues.
7 citations
,
January 2013 in “Indian Journal of Plastic Surgery” Body and beard hair can be used for hair transplants in baldness treatment but keep their original color and curl.
6 citations
,
October 2018 in “Drug safety - case reports” Alitretinoin may cause irreversible hair curling as a side effect.
5 citations
,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
3 citations
,
June 2008 in “Springer eBooks” Hair care products clean, protect, style, color, and change hair structure.
2 citations
,
May 2018 in “Australasian Journal of Dermatology” Some patients' hair grew back black and white after chemotherapy.
1 citations
,
October 2019 in “International journal of contemporary pediatrics” A 12-year-old boy with twenty nail dystrophy, a condition affecting all nails, was treated conservatively due to its self-limiting nature and good prognosis.