research Discrete Nanoscale Distribution of Hair Lipids Fails to Provide Humidity Resistance 15 citations , August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
research Quantifying the effects of repeated dyeing: morphological, mechanical, and chemical changes in human hair fibers September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
research ARCHAEOLOGICAL AND CONTEMPORARY HUMAN HAIR COMPOSITION AND MORPHOLOGY 21 citations , December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
research In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber 13 citations , January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
research Investigation of hair dye deposition, hair color loss, and hair damage during multiple oxidative dyeing and shampooing cycles. 4 citations , August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.