23 citations
,
August 2017 in “Scientific Reports” Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
9 citations
,
December 2018 in “Journal of Analytical Toxicology” Ethyl glucuronide levels in hair can change when exposed to artificial sunlight, depending on hair color and thickness.
5 citations
,
June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
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 2013 in “International Journal of Trichology” A girl with red hair developed hair-pulling and body image disorders after being bullied for her hair color.
Caucasian and Mediterranean hair is denser and varies in color and texture compared to African and Asian hair.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Ratanjot root oil helps hair grow and conditions and colors it naturally.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
10 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
January 2006 in “Journal of Society of Cosmetic Chemists of Japan” The new hybrid polymer improves dyed hair's color, feel, and manageability.
March 2025 in “International Journal of Advanced Research in Science Communication and Technology” Herbal hair dyes are safer and eco-friendly alternatives to synthetic dyes, offering natural color and hair benefits.
62 citations
,
December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
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.
3 citations
,
January 2022 in “Cutis” Telemedicine is effective for diagnosing hair loss, especially in people with darker skin, during the pandemic.
Herbal hair dyes using plants like henna and beetroot are safer and can produce varied colors, with two-stage applications giving darker shades.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
82 citations
,
May 2005 in “Dermatologic therapy” Laser hair removal has advanced to effectively reduce hair for various skin types and hair colors.
4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
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.
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
February 2025 in “The Open Dermatology Journal” Many COVID-19 survivors, especially women, experience hair loss and skin color changes, needing specific post-recovery care.
August 2023 in “Dermatology Reports” Minoxidil, a common hair treatment, may cause hair to turn grey or change color, especially with long-term use or if you have a family history of grey hair.
Hair disorders are complex and varied, including hair loss, excessive growth, color, and shaft issues.
July 2018 in “Elsevier eBooks” Some drugs can cause reversible hair loss, but certain chemotherapy drugs may lead to permanent hair loss; drugs can also change hair color and texture.
31 citations
,
April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
1 citations
,
December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
176 citations
,
January 2003 in “Journal of Investigative Dermatology” Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.