September 2019 in “Journal of Investigative Dermatology” PCE-DP brightens skin and promotes hair growth by enhancing cell growth and reducing melanin uptake.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
317 citations
,
April 2018 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” PCOS is a complex condition in women that can lead to health issues, and lifestyle changes are the best management approach.
138 citations
,
June 2023 in “Molecules” Skin pigmentation varies due to genetics, UV exposure, and drugs, with treatments available but requiring medical advice.
29 citations
,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
9 citations
,
July 2014 in “PubMed” The review doesn't clearly say if biotin, caffeine, melatonin, a marine extract, and zinc are effective for treating hair loss.
1 citations
,
August 2021 in “Frontiers in Genetics” Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.
July 2019 in “Journal of the Formosan Medical Association” Melatonin may help with nerve pain, a hepatitis C drug is effective but has side effects, a treatment for mouth sores works but can cause blood issues, ear reconstruction with an implant is safe, HIV transmission from mother to child in Taiwan is now 0% with treatment, certain blood problems are more common in people with a tongue condition, a gene and being overweight are linked to hair loss in some women, a new technique could reduce radiation for lung nodule patients, a hepatitis treatment may lower cancer recurrence after a procedure, and adding extra screening improves tuberculosis detection in patients with lung infections.
February 2026 in “Molecules” A new method can quickly and accurately measure tobacco exposure and stress using a small hair sample.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
Estrogen and its receptors play a key role in hair growth, with differences between males and females.
18 citations
,
February 2023 in “Plants” Purple glutinous rice extracts can help whiten skin and reduce aging signs.
94 citations
,
April 2018 in “Nature Genetics” New genetic locations explain much of hair color variation in Europeans.
7 citations
,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
4 citations
,
October 2021 in “International Journal of Cosmetic Science” Cirsium japonicum flower extract increases melanin production and could help treat depigmentation conditions.
1 citations
,
September 2018 in “International journal of research - granthaalayah” Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
1 citations
,
January 2016 in “Acta histochemica” Black sheep have higher levels of Gnαs and Gnα11 proteins, which may affect their coat color.
1 citations
,
July 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Light affects skin health, aging, and cancer risk, and new light-based treatments and imaging are promising for skin care.
August 2025 in “Annals of Medicine” Mycophenolate mofetil may safely help restore skin color in depigmentation conditions.
February 2025 in “International Journal of Molecular Sciences” Altered lipid pathways in diabetic women may cause premature greying.
August 2024 in “Applied Sciences” Plant extracts may help prevent or reverse hair graying.
January 2023 in “Skin appendage disorders” Laser treatment for hair loss works equally well on different skin types, but more research is needed for very dark skin.
November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
86 citations
,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
31 citations
,
August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
12 citations
,
May 2019 in “Journal of cosmetic dermatology” Effective treatments for premature hair graying still require significant research.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing MCPIP1 from myeloid cells in mice leads to hair loss and prevents skin tumors but causes pigmented spots.
Hair turning darker can be a sign of skin cancer.
August 2024 in “Journal of Clinical Medicine” Low-level laser therapy is the most supported treatment for hair loss, but other methods show promise.