6 citations
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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.
15 citations
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March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
1 citations
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March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
2 citations
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January 1973 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Brown skin in guinea pigs has more ascorbic acid and related enzymes, black skin uses ascorbic acid well, and white skin has the most protein.
Stiffness gradients in alginate gels can guide cancer cell invasion and study cellular behaviors.
9 citations
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July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.
November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
Accurate prediction of eye, hair, and skin color in Latin American populations requires region-specific models and ethical guidelines.
61 citations
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May 2014 in “International journal of pharmaceutics” Nanocrystals improve skin penetration and stability of caffeine, suggesting a new method for delivering similar substances through the skin.
Chemical treatments weaken hair's thermal stability and structure.