When (and how) to use Salicylic Acid 2% Anhydrous Solution by The Ordinary

Apply in the morning and evening. Apply a small dot to the target area or apply a small amount over the face for general use. Do not use on sensitive, peeling or compromised skin. Avoid the eye contour and contact with eyes. Patch testing prior to use is advised: Apply the product as directed to a small area once a day for three days to test if you are sensitive to this product. If you develop irritation, hives, swelling of eyes and mouth, blistering, or difficulty breathing, rinse off, cease use, and consult a physician right away. Keep out of reach of children. Sunburn Alert: This product contains a beta hydroxy acid (BHA) that may increase your skin's sensitivity to the sun and particularly the possibility of sunburn. Use a sunscreen, wear protective clothing, and limit sun exposure while using this product and for a week afterwards.