Dermoscent® ATOP 7® Mousse for Dogs & Cats - 150MLDescription Directions for use Start with brushing the coat to eliminate knots. Shake before use. Apply the product in your hands or directly onto the animals skin and coat and massage against the direction of hair growth. Remove dirt with the help of a clean towel. Let the coat dry naturally and brush thoroughly. This dry shampoo can be used twice a week. If your animal is already under anti allergy therapy, it is advised to enquire your veterinarian