November 2023 in “Ensaios e Ciência C Biológicas Agrárias e da Saúde” In this study, researchers found that the concentrations of cetostearyl alcohol, shea butter, and coconut oil significantly affected the in vitro spreadability of heat protectants, suggesting that optimizing these components could improve product coverage and thermal protection on hair.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This study examined the thermal conductivity of human hair using the Modified Transient Plane Source method, highlighting how frequent thermal, mechanical, and chemical treatments can damage hair by weakening its structure, particularly through changes in keratin that reduce elasticity.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers used the Modified Transient Plane Source method to measure the thermal conductivity of human hair, highlighting that common heat treatments can damage hair structure by altering its protein composition, emphasizing the importance of understanding thermal properties to mitigate such damage.
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December 2009 in “Journal of the American Academy of Dermatology” This review discusses the use of ceramic-coated flat irons for hair straightening and reports no clinical results; the authors highlight potential hair damage risks from improper use.
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December 2022 in “Journal of applied biological chemistry” This study found that TRP-hair essence significantly protected and improved the quality of human hair, particularly against heat stress, by enhancing cuticle health and maintaining hair color.