October 2007 in “Postgraduate obstetrics & gynecology” Testosterone therapy can help postmenopausal women with low sexual desire but needs more safety research and should be used with estrogen therapy.
April 2006 in “Current Opinion in Endocrinology & Diabetes” Testosterone therapy can help improve sexual function, mood, and bone density in women with low androgen levels, but more research is needed on long-term safety.
3 citations
,
June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
10 citations
,
June 2021 in “Journal of Investigative Dermatology” 1 citations
,
January 2012 in “Human health handbooks” Hair color is determined by melanin types and gene activity.
November 2023 in “Journal of the American Academy of Dermatology” Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
1 citations
,
January 2025 in “Regenerative Biomaterials” Exosomes from Pinctada martensii mucus can safely reduce melanin production, offering a new treatment for skin pigment issues.
Plant-based dyes are a safe, effective, and eco-friendly alternative to synthetic dyes.
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.
8 citations
,
May 2003 in “Clinical and Experimental Dermatology” A 14-year-old girl's black hair showed unique color changes, suggesting early greying.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
25 citations
,
April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
June 2025 in “Albus Scientia” MC1R gene variations affect skin, hair color, UV sensitivity, and melanoma risk.
36 citations
,
July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
16 citations
,
March 2013 in “JAMA Dermatology” A cancer drug called nilotinib might cause hair loss due to inflammation around hair follicles.
4 citations
,
April 2021 in “Experimental and Molecular Medicine” The conclusion is that certain genetic factors and blood types may affect COVID-19 severity, but changes in ACE2 and TMPRSS2 genes are not clearly linked to it.
7 citations
,
July 2016 in “Journal of Biomedical Materials Research Part A” cGEL hydrogel improves melanin production in skin cells, making it a promising option for skin treatments.
SLC24A5 shows a clear selective sweep, but no link to UV radiation intensity.
March 2026 in “Plastic and Aesthetic Research” Adipose-derived stem cell exosomes can help reduce skin aging from UV exposure.
7 citations
,
September 2024 in “BMC Genomics” Two genes, ERBB4 and ROR1, may cause the unique pigmentation in Lanping black-boned sheep.
6 citations
,
April 2021 in “Scientific Reports” Phytochrome A is crucial for normal metabolism and development in tomato seedlings under far-red light.
2 citations
,
May 2023 in “Photobiomodulation, photomedicine, and laser surgery” Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.
24 citations
,
March 2018 in “Pigment Cell & Melanoma Research” The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.
12 citations
,
May 2019 in “Journal of cosmetic dermatology” Effective treatments for premature hair graying still require significant research.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair follicles protect melanocytes from sun damage, helping them replenish skin.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.