NEW Neutrogena Stubborn Acne Spot Drying Lotion Fragrance Free 1.0 FL OZ / 29mL Clear stubborn acne spots overnight with Neutrogena Stubborn Acne Drying Lotion. Packed with 10% sulfur and 4% niacinamide, this fragrance-free, paraben-free, and oil-free acne lotion penetrates pores to eliminate stubborn acne while reducing redness and dark spots. Clinically proven to be effective, this dermatologist-recommended spot treatment is available in a 29 mL bottle.