Coreopsis tinctoria Nutt. extract can effectively dye hair yellow or dark brown with good wash durability.
July 2024 in “Dermatology and Therapy” Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.
January 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
1 citations
,
September 2024 in “Journal of Oncology Pharmacy Practice” Hydroxyurea treatment unexpectedly restored hair color from gray to dark brown in an older woman.
March 2023 in “Journal of Cosmetic Dermatology” Trichoscopy is effective for diagnosing scalp ACC in darker skin tones.
November 2024 in “Majalah Farmasetika” The natural hair dye gel with 12% Eleutherine bulbosa extract effectively colors bleached hair dark brown and is stable and non-irritating.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
May 2026 in “Brazilian Journal of Hair Health” Bleaching damages hair the most, while dyes improve combability but still cause protein loss.
1 citations
,
February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
17 citations
,
January 2015 in “Dermatology online journal” A patient's grey hair regained color during treatment with adalimumab.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
1 citations
,
December 2021 in “Annals of phytomedicine” The herbal hair dye with a 1:2 henna to indigo ratio works well, is safe, and eco-friendly.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Polyherbal hair dyes are safer and more eco-friendly than chemical dyes.
September 2019 in “Mağallaẗ al-ʿulūm al-ṭabīʿiyyaẗ wa-al-ḥayātiyyaẗ wa-al-taṭbīqiyyaẗ” Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal anti-dandruff shampoo is effective and safe for daily use.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal anti-dandruff shampoo is effective and safe for daily use.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair serum effectively fights microbes and promotes hair growth.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair serum effectively promotes hair growth and fights microbes.
June 2024 in “JURNAL PENDIDIKAN DAN KELUARGA” Celery extract can be used as a natural hair tonic for treating hair loss.
The extract combination can promote hair growth and act as a natural hair dye.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
April 2026 in “Cosmetics” The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
May 2026 in “Preprints.org” Dark-coated cats are more stressed, and adoption reduces stress in cats.
2 citations
,
May 2019 in “International Journal of Molecular Sciences” Tranexamic acid turns white hair brown in certain mice by affecting specific proteins.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
Follicular atopic dermatitis in dark skin can look different, making diagnosis harder.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
11 citations
,
March 2012 in “Journal of the American Academy of Dermatology” Most patients with dark skin were satisfied with laser hair removal and had few complications.