November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
October 2023 in “Arab Gulf journal of scientific research” The powder shampoo with cinnamon extract has strong antioxidant properties and is eco-friendly.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
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.
Normal cells stain well with fluorescent globulin, but tumor cells do not.
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
August 1985 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” Hair dye can damage dog hair and cause health issues.
31 citations
,
November 1986 in “Journal of the American Academy of Dermatology”
5 citations
,
January 2015 in “Skin appendage disorders” Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.
September 2025 in “International Journal of Cosmetic Science” A balanced mix of cationic guar gum and anionic surfactants improves hair conditioning and protection.
October 2014 in “University of the Arts London Research Online (University of the Arts London)” Protein-derived ingredients can help strengthen bleached hair.
January 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Carbon Quantum Dots can effectively detect cobalt ions and methylcobalamin in water.
8 citations
,
February 2020 in “Journal of Drug Delivery Science and Technology” Encapsulating chlorogenic acid in nanoparticles boosts type 17 collagen production, potentially aiding skin care.
27 citations
,
August 2006 in “Laboratory Investigation” SCF and ET-1 together significantly increase skin pigmentation and melanin production.
12 citations
,
November 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
The new method accurately measures active ingredients in hair nourishment products.
43 citations
,
October 2005 in “Molecular and cellular endocrinology” Hair melanocytes help the skin respond to stress and regulate hair pigmentation.
4 citations
,
January 1982 in “Neuroendocrinology” Dopamine affects coat color changes in agouti mice.
5 citations
,
March 2019 in “Scientific Reports” The technique can isolate cells to help treat skin pigmentation issues.
April 2024 in “International journal of molecular sciences” Dermal factors are crucial in regulating melanin production in skin.
65 citations
,
May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
36 citations
,
March 2014 in “Biomaterials” A new skin-whitening agent using a peptide from wheat is safe and effective at reducing skin pigmentation.
8 citations
,
August 2018 in “Journal of Investigative Dermatology”
March 2026 in “Indian Dermatology Online Journal” Hair dye ingredient PPD can cause severe allergic reactions, including facial swelling.
4 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
July 2018 in “Journal of The American Academy of Dermatology” Fluorescent tattoos are a good way to mark the scalp for hair treatments because they're accurate, invisible in normal light, and have low risk.
29 citations
,
April 2011 in “Journal of Microscopy” The modified osmium method improves hair cortex staining for better visualization.
6 citations
,
December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
1 citations
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June 2025 in “International Journal of Plant and Environment” Nickel oxide nanoparticles made with plant extract can kill bacteria and fungi and break down dyes.