Usage 1. Apply the product and spread it evenly over the entire sole. 2. Place the shoes in a transparent plastic bag and expose them to UV radiation (sunlight or a UV lamp). 3. Wait 3-6 hours. 4. Remove the shoes from the plastic bag and rinse the remaining product from the sole with water. 5. Repeat the process if necessary. Caution! Test in an inconspicuous area before use. This product may cause severe irritation of the eyes and mucous membranes. Use with caution and wear protective gloves. Keep out of reach of children.