Profile Serina and Company Serina and Company Buy online beautiful and popular Aromatherapy jewelry at very low prices from serinaandco.com. Shop for pendent and jewelry diffusers for men and women. Visit today to browse for products! Last activity: on 14/08/2017 Joined: on 14/08/2017 http://www.serinaandco.com Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.