Agent		Estimated cost*	Cost and amount per container†
Adapalene (Differin)
	0.1 percent gel	$ 9	$ 62 (45 g)
	0.1 percent solution	13	57 (30 mL)
Azelaic acid (Azelex)		15	34 (30 g)
Benzoyl peroxide
	Generic 5 percent gel	3	2 (45 g)
	Generic 10 percent gel	3	3 (45 g)
	Benzac 5 percent gel	4	17 (60 g)
	Benzac 10 percent gel	4	17 (60 g)
Benzoyl peroxide 5 percent/erythromycin 3 percent (Benzamycin)		11	67 (46.6 g)
Clindamycin
	Cleocin T 1 percent solution	13	32 (60 mL)
	Cleocin T gel	21	51 (60 g)
	Clinda-Derm 1 percent solution	12	21 (60 mL)
Erythromycin
	A/T/S 2 percent gel	19	20 (30 g)
	Erygel	28	29 (30 g)
	Eryderm 2 percent solution	8	17 (60 mL)
	T-Stat 2 percent solution	9	20 (60 mL)
Tazarotene (Tazorac)
	0.05 percent gel	15	60 (30 g)
	0.1 percent gel	16	64 (30 g)
Tretinoin
Retin-A
	0.025 percent cream	9	59 (45 g)
	0.1 percent cream	12	76 (45 g)
	0.01 percent gel	10	63 (45 g)
	0.05 percent liquid	12	52 (28 mL)
Retin-A Micro
	0.1 percent gel	10	64 (45 g)