Introduction Dry skin is a problem for millions of people and often causes discomfort and even psychological stress. Curcuma Longa (C. Longa) has been known to have an effect in improving skin texture due to exogenous effects associated with dry skin Objective This study aims to determine the effect of C.Longa 0.5% extract on sebum composition and skin moisture in patients with dry skin associated with premature aging. The sample used was 13 women with twice-daily application on the upper and lower arms of C.Longa extract and cream base ingredients as controls. Therapy response was measured using a skin analyzer at weeks 1, 3 and 6. Methods The data in this study was obtained, and will be processed by using computerized statistic program. The analysis used is descriptive analysis for mean and standard deviation of moisturation score and frequency distribution on criteria of sebum composition of stratum corneum at various time of observation. The amount of change of score with Paired test, difference of score change using Mann Whitney Test and to assess the difference of distribution using X2 test. Result Provision of C.Longa extract of 0.5% can improve sebum composition and skin moisture in dry skin patients when used for at least 6 weeks. Conclusions and recommendations Significant changes were obtained in the third week. The change in sebum composition by 87.5% was obtained at the sixth week. Although the change is only 50% in moisture score but it is enough to prove that there is an improvement in skin moisture. So we consider the use of longer than 6 weeks.