Regulon contains 30 μg of ethinylestradiol and 150 μg of desogestrel, as well as ancillary components: magnesium stearate, α-tocopherol (Alfa-tocopheryl acetate), silicon dioxide colloid (Silicon dioxide colloidal), stearic acid (Stearic acid) povidone (Povidone), potato starch (Solani amylum), lactose monohydrate (Lactose monohydrate).The film membrane is manufactured using Macrogol 6000 macrogol, Propylene glycol, Hypromellose.