Follow this link - http://www.ciao.co.uk/product_proposal.php
Choose the category where the product fits in, enter its details (product name, link to a website and a short description), then submit the form. At the end, there’s an option to submit a review or leave the page. Ciao staff will let you know if/when accepted (most of mine are accepted on the next working day). The new product will appear in the Recent Products tab on Ciao website.