18.21 Carry On 4-1 Travel Foam is the perfect multi-tasking travel companion, featuring a luxurious 4-in-1 formula to clean and condition hair, face and body while restoring natural moisture levels. The gentle gel-to-foam formula helps with a clean shave and deeply moisturizes to prevent wrinkles and fine lines. It thickens hair, improves color retention and enhances shine while aiding with wet combing and detangling.