Abstract

Purpose: This study aims to investigate whether shampoo containing lavender essential oil has a positive effect on improving problematic scalp. methodology: Subjects were branded with sensitive shampoo and lavender essential oil once daily for 4 weeks in a 9:1 ratio. Measurement and evaluation were performed once a week on the areas with the most severe inflammation and erythema after product use by a scalp professional, and a Likert 5-point scale was performed on the subjects as a subjective evaluation.. Results: The improvement of erythema and inflammation improved from the second week, and then very much after the fourth week. The degree of sensitivity scalability was 4.09 points for overall normality, followed by inflation (M=4.56), scalp condition (M=4.33), scalp cleanness and scalp erythema (M=4.22), beating (M=3.67), and heat improvement (M=3.56) in order (p<0.05, p<0.01). Conclusions: Therefore, shampoo products containing lavender essential oil were found to be very effective in improving sensitive scalp.