Made by Hand™ relieves your sore muscles, nicks and scratches - so you can get right back to work. It leaves no greasy residue. It won't stain fabrics or affect your needle grip. Once applied, it dries-so fast, you can snap your fingers right away. Contains White Willow Bark, a proven pain reliever. Willow bark has been used throughout the centuries in China and Europe, and continues to be used today for the treatment of pain, headache, and inflammatory conditions such as bursitis and tendinitis. The bark of white willow contains salicin, which is a chemical similar to aspirin.