7 citations
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September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
April 1986 in “CRC Press eBooks” Hair color is determined by melanins produced in hair cells.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
3 citations
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April 2002 in “Animal Science” Spermidine injections increased wool growth rate in lambs without changing fibre thickness.
1 citations
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January 2021 in “Springer Proceedings in Materials” Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
Combining dermoscopy and calcium fluorescent white staining improves diagnosis and treatment of hair fungal infections.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
38 citations
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February 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Two patients with porphyria cutanea tarda experienced their grey hair turning dark again.
Minoxidil can cause hair to turn yellow.