Rhonda Allison Cosmeceuticals, a leader in professional skin care and advanced aesthetics, has announced the 2018 Rhonda Allison National Symposium, a powerful advanced education conference aimed at helping aesthetic professionals grow their business and expand their knowledge. The in-depth, three-day event will be held in the beautiful Beaver Creek Mountain area of Colorado April 22-25, 2018. The Rhonda Allison Symposium, designed to provide skin care…