8 citations
,
January 2016 in “Skin research and technology” This study found that a new 12-point scale provided a more precise measurement system for evaluating hair damage and improvement after hair care product use compared to a 5-point scale.
January 2018 in “프로그램북(구 초록집)” This study found that ceramide-based essence cream, particularly those with stearyl and stearyl-cholesterol, improved the ultrastructure of damaged hair cuticles.
8 citations
,
March 2018 in “Cosmetics” In this study, researchers found that UV radiation causes hydroxy radicals to form cuticle holes specifically between the cuticle layers in wet hair, unlike random holes caused by Fenton's reaction.
5 citations
,
August 2024 in “International Journal of Cosmetic Science” This study found that particle affinity was stronger on healthy hair compared to damaged hair, with the deposition influenced predominantly by hydrogen bonding and electrostatic attraction, while larger particles had poorer deposition.
20 citations
,
January 2003 in “Journal of oleo science” This study found that both everyday physical and environmental stresses, as well as chemical treatments, contributed to hair damage, with cuticle layers being more noticeably affected.