Content: 5ml The ingredients are always given to us on the packaging. According to § 6, paragraph 3 of the KVO (Cosmetics Regulation) in conjunction with § 53 paragraph 2 No. 1d Food & Commodities Act - LMBG we are committed to following instructions give: Light-curing resins can benzoyl peroxide, hydroquinone and Hydrochinonmethyllether included. Therefore, they are only intended for commercial use. We only sell studio quality.