Article continues below advertisementNow that Bethenny Frankel, Ramona Singer and Sonja Morgan are no longer on The Real Housewives of New York, they cherish the time they have together. The ladies recently reunited to promote a new campaign for RoC(R) Skincare, a leading dermatologist-recommended, clinically proven skincare brand, to support the national reveal of the RoC's breakthrough Retinol Correxion Rich Cream. The potent formula is powered by RoC's new Patented Clinical Retinol, which is seven times more effective than traditional Retinol.