Effectiveness 카테고리 전체FunctionalBasic CareMakeupBody Care열린 분류 Hair & ScalpOthers Hair tensile strength evaluation 본문 This study aims to evaluate the effect of a test product for hair on improving hair tensile strength. · Test period more than 2 weeks · Number of subjects 20 or more people or inmortis · Claim Helps improve the elasticity of human hair Provides figures/graphs Previous PostEvaluation of hair friction (surface roughness) 26.07.02 Next PostEvaluation of hair loss count 26.07.02