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November 2023 in “Cosmetics” This study found that washing hair with surfactants reduces the internal density of hair due to cuticle lifting, and suggests that a cuticle-sealing strategy can inhibit this effect and maintain hair homeostasis.
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June 2023 in “Skin Research and Technology” This study found that two shampoos with different dyeing methods had varying abilities to dye hair and impact hair health, suggesting that individuals should select hair color shampoos based on their personal needs.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
July 2026 in “International Journal of Dermatology Sciences” This review synthesizes traditional hair-care practices from diverse cultural regions and evaluates them against scientific evidence, noting that some, like coconut oil application, have clinical support, while others rely mostly on in vitro or theoretical backing.
May 2026 in “Materials Today Bio” This study reported that a bioderived melanoidin/tannic acid nanocomplex forms a durable, antioxidant-active coating on hair fibers, providing enhanced UV protection and improving tensile resilience by suppressing oxidative stress and activating endogenous antioxidant pathways.