December 2025 in “Sustainable Chemistry One World” Mangosteen waste can be used as an eco-friendly natural hair dye, producing a lasting reddish color and strengthening hair.
May 2023 in “Journal of pharmacognosy and phytochemistry” The study established quality standards for Sphagneticola calendulacea stem and suggested it may have therapeutic benefits.
January 2020 in “대한미용학회지” Permanent hair dye reduces sulfur content in both gray and black-brown hair.
The extract combination can promote hair growth and act as a natural hair dye.
May 2017 in “Journal of The American Academy of Dermatology” An intact skin barrier is crucial to prevent infection in cases of tether-induced tenosynovitis.
April 2017 in “International journal of research in Ayurveda and pharmacy” Ayurvedic methods can help reduce the harmful effects of chemicals in cosmetics.
March 2026 in “Indian Dermatology Online Journal” Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
79 citations
,
January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
16 citations
,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
8 citations
,
January 2013 in “Annals of Dermatology” Korean women dye their gray hair more than men, and it doesn't cause scalp diseases.
5 citations
,
January 2004 in “Journal of applied polymer science” Urea helps hair dye penetrate better and last longer.
1 citations
,
June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
1 citations
,
September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
1 citations
,
March 2017 in “Archives of Plastic Surgery” A new method using gentian violet dye makes it easier to see and work with white hair in hair transplant surgeries.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
5 citations
,
April 2020 in “Journal of Mind and Medical Sciences” The new device improves surgical accuracy by using a special dye and camera to see inside tissues.
2 citations
,
July 2020 in “International Journal for Research in Applied Science and Engineering Technology” Pseudomonas DL17 can completely break down the harmful dye Sunset Yellow FCF in 48 hours.
24 citations
,
June 2020 in “Industrial Crops and Products” Activated carbon fibers from Metaplexis japonica seed hair are highly effective for removing the dye methylene blue from water.
1 citations
,
January 2022 in “Electronic Imaging” A new method accurately captures and renders hair color for virtual reality and hair dye use.
3 citations
,
July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
October 2022 in “Southeast Asian journal of health professionals” Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.
Hair ages by graying and thinning, treatable with medications, transplants, or hair dye.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
66 citations
,
February 1985 in “Archives of dermatological research” Hair dyes penetrate the scalp very minimally, less than 1%.
6 citations
,
January 2020 in “Elsevier eBooks” Nanoparticles could make hair dyes safer by reducing harmful effects.
3 citations
,
December 1975 in “PubMed” ALP and ACP have different roles in dog skin, with ALP aiding growth and maintenance, and ACP involved in breakdown processes.
December 2025 in “Biomedicine & Pharmacotherapy” Melamax® protects skin from UV damage and reduces inflammation and oxidative stress.
89 citations
,
May 2005 in “Stem Cells” Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.
44 citations
,
April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.