Apply to clean, dry skin and follow the product instructions. Wear typically varies with placement, friction, skin, water exposure, and aftercare; patch-test first if you have sensitive skin or allergy concerns. Apply to clean, dry skin and follow the product instructions. Wear typically lasts up to a week depending on placement, friction, skin, water exposure, and aftercare. Patch-test a small area first if you have sensitive skin. The collection is a starting point; the product page is the best place to check the exact design and product details for chest.