Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Failure to achieve complete resolution	8	1525	Risk Ratio (M-H, Random, 95% CI)	0.79 [0.67, 0.94]
1.1 Scalp only	5	1095	Risk Ratio (M-H, Random, 95% CI)	0.86 [0.68, 1.09]
1.2 Face only	3	430	Risk Ratio (M-H, Random, 95% CI)	0.67 [0.51, 0.89]
2 Failure to achieve complete resolution (long term)	1		Risk Ratio (M-H, Fixed, 95% CI)	Totals not selected
2.1 Scalp only	1		Risk Ratio (M-H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3 Decrease in erythema score	2		Std. Mean Difference (IV, Fixed, 95% CI)	Subtotals only
3.1 Scalp only	2	164	Std. Mean Difference (IV, Fixed, 95% CI)	-0.68 [1.00, -0.37]
4 Decrease in erythema score (long term)	2		Std. Mean Difference (IV, Random, 95% CI)	Subtotals only
4.1 Scalp only	2	164	Std. Mean Difference (IV, Random, 95% CI)	-0.44 [-0.75, -0.13]
5 Erythema - Failure to achieve complete resolution	2		Risk Ratio (M-H, Fixed, 95% CI)	Totals not selected
5.1 Scalp only	2		Risk Ratio (M-H, Fixed, 95% CI)	0.0 [0.0, 0.0]
6 Decrease in pruritus score	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
6.1 Scalp only	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
7 Decrease in pruritus score (long term)	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
7.1 Scalp only	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
8 Pruritus - Failure to achieve complete resolution	1		Risk Ratio (M-H, Fixed, 95% CI)	Totals not selected
8.1 Scalp only	1		Risk Ratio (M-H, Fixed, 95% CI)	0.0 [0.0, 0.0]
9 Decrease in scaling score	3		Std. Mean Difference (IV, Fixed, 95% CI)	Subtotals only
9.1 Scalp only	3	464	Std. Mean Difference (IV, Fixed, 95% CI)	-0.22 [-0.40, -0.03]
10 Decrease in scaling score (long term)	2		Std. Mean Difference (IV, Fixed, 95% CI)	Subtotals only
10.1 Scalp only	2	164	Std. Mean Difference (IV, Fixed, 95% CI)	-0.67 [-0.98, -0.35]
11 Scaling - Failure to achieve complete resolution	2		Risk Ratio (M-H, Fixed, 95% CI)	Subtotals only
11.1 Scalp only	2	799	Risk Ratio (M-H, Fixed, 95% CI)	0.86 [0.79, 0.94]
12 Side effects	4	908	Risk Ratio (M-H, Fixed, 95% CI)	0.90 [0.72, 1.11]
12.1 Scalp only	3	779	Risk Ratio (M-H, Fixed, 95% CI)	0.97 [0.76, 1.25]
12.2 Face only	1	129	Risk Ratio (M-H, Fixed, 95% CI)	0.67 [0.43, 1.03]