Considering the risk of a coloring shampoo with the function of gray hair cover cosmetology and skin barrier: A systematic review.

Background And Aims: As the number of demanders who want to easily cover gray hair increases, the demand market is rapidly expanding along with the demand for coloring shampoos that can be dyed while shampooing. Among these coloring shampoo ingredients, it is necessary to differentiate products that are safe and harmless to the human body in consideration of hair loss or skin barrier problems caused by trihydroxybenzene (THB) ingredients. The correct selection criteria were presented by examining the problems, effectiveness, and side effects when used in relation to the skin barrier through previous studies by consideration of the ingredients of the coloring shampoo and the skin barrier of the scalp.

Motivation for improving academic achievement in cosmetological education.

Background And Objective: Before and after the fandom, the pattern of education has difficulty in accepting the requirements of the MZ generation with very intense changes. Individual differences between students and different educational environments have more difficulties with the addition of practical subjects than general students. In this study of the purpose, after coronavirus disease-19 (COVID-19), the change in demand was described for the factors that influence the motivation necessary in current beauty education for diversity in education methods of MZ generation.