Which skin type is it good for? Normal Oily Combination Dry Sensitive An oil-based self-tanner for a luminous glow, featuring a cooling rollerball applicator. Solutions for:- Uneven skin tone – Dullness and uneven texture- Dryness If you want to know more…Rejuvenate, visibly sculpt, and tan. Wonder Oil is a true oil-based self-tanner with a cooling rollerball applicator. This unique self-tan oil is infused with tanning actives and a blend of six pure, plant, and omega oils including jojoba, argan, and raspberry seed oil. Organic tanning actives work to deliver a buildable, luminous glow.