14 citations,
September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
13 citations,
July 2015 in “Archives of dermatological research” N1-methylspermidine helps hair growth and reduces inflammation in hair follicles.
12 citations,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
11 citations,
September 2016 in “Archives of Dermatological Research” People with denser forearm hair have a higher risk of certain skin cancers.
8 citations,
July 2020 in “Clinical, cosmetic and investigational dermatology” Excessive sun protection might cause frontal fibrosing alopecia by disrupting skin immune balance.
2 citations,
October 2018 in “Skin appendage disorders” A boy's hair that was frizzy and hard to comb returned to normal after 9 months, possibly due to genetic factors.
2 citations,
March 2017 in “Asian Journal of Beauty and Cosmetology” Caffeic acid protects human scalp cells from UV damage.
1 citations,
November 2023 in “Contact dermatitis” Some people with Frontal Fibrosing Alopecia may be allergic to a common sunscreen ingredient.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
Hair turning darker can be a sign of skin cancer.
March 2023 in “Nigerian Journal of Clinical Practice” The main difference in hair loss for lupus patients is smaller and fewer sebaceous glands.
September 2022 in “Cosmetics” Different types of skin cells and immune cells play a role in healing UV-damaged skin, with chronic UV exposure causing lasting damage to certain skin cells.
Different types of sun exposure can damage skin cells and affect healing, with chronic exposure being more harmful, and certain immune cells help in the repair process.
September 2016 in “Springer eBooks” Gray hair is caused by oxidative stress damaging hair cells.
January 2023 in “Applied sciences” Equisetum debile extracts may help with skin whitening, anti-wrinkle, and anti-hair loss treatments.
April 2023 in “Journal of Investigative Dermatology” Honey mixture improved damaged Asian hair, making it stronger, softer, and shinier.
9 citations,
September 2009 in “Journal of Cutaneous Medicine and Surgery” UV light causes skin color loss in bald areas; wear a cap and use sunscreen.
7 citations,
November 2016 in “Oncotarget” UV exposure reduces Lgr6+ stem cells in mouse skin and they don't significantly contribute to skin cancer development.
7 citations,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
September 2024 in “Journal of Cosmetic Dermatology” Quercetin-loaded nanoparticles protect human hair from UV-B damage.
January 2024 in “Journal of cosmetic dermatology” Silibinin-loaded micelles significantly protect hair from UV-B damage.
33 citations,
January 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
12 citations,
November 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
10 citations,
March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
2 citations,
January 2015 in “Elsevier eBooks” The document says biodegradable cosmetics and packaging are better for the environment and user experience.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
13 citations,
July 2012 in “Pigment Cell & Melanoma Research” A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.
25 citations,
April 2015 in “Current problems in dermatology” Hair regrowth slows with age and can be affected by treatments that change enzyme activity in the skin.
61 citations,
May 2015 in “Planta” Certain fungi and bacteria help orchid seeds germinate and plants grow better.