Shower Gel & Shampoo | i+m x FC St. Pauli Edition A practical two-in-one shower gel and shampoo for cleansing skin and hair with one simple step. Manufacturer: i+m Naturkosmetik $29.00 Custom wishlist OK Add to wishlist Qty: Add to cart Email a friend A practical two-in-one shower gel and shampoo for cleansing skin and hair with one simple step.How to useWork into a lather on wet skin or hair, massage gently and rinse thoroughly. Avoid the eyes.