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      Establishment of Heat-Damaged Model for Hair

      research Establishment of Heat‐Damaged Model for Hair

      July 2025 in “Journal of Cosmetic Dermatology”
      This study established a model of heat-damaged hair to assess hair care products, finding that daily hair drying for a month causes notable cuticle lifting, reduced mechanical properties, and increased protein release, and the model simulates even more severe damage.
      Heat-Damaged Evaluation of Virgin Hair

      research Heat‐damaged evaluation of virgin hair

      13 citations , March 2019 in “Journal of cosmetic dermatology”
      This study found that thermal hair-straightening devices significantly damaged the cuticle and cortex of virgin Asian and Caucasian hair, with Asian hair experiencing more protein loss than Caucasian hair.

      research Friction and wear studies of human hair and skin

      97 citations , January 2005 in “Wear”
      In this study, the researchers measured and discussed the friction and wear properties of various hair types against synthetic skin and other hair, finding variations based on factors like ethnicity, hair condition, and environmental conditions.

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