Katie Couric Media contributor and OB GYN Dr. Mary Claire Haver says patients often ask if they should use a vaginal moisturizer or a lubricant and there's a big difference. Editor's Picks: Vaginal Moisturizers To Treat Dryness The Best Lubricants for Vaginal Dryness Does menopause reduce arousal and increase painwhat helps? The Womens Health Clinic Water Based vs Oil Based Personal Lubricant The Pelvic Hub