On the Spot! Solution is an excellent overnight fix for problematic skin. This drying lotion can be applied directly on a blemish at night as a leave on treatment. It contains a combination of natural drying agents, such as Sulfur, Camphor, and Bentonite. On the Spot! Solution dries up those pesky problem areas and balances excessive oiliness, while minimizing the appearance of redness on the skin. No harmful acids or chemicals.