iS Clinical / Instructors / Dourina Ritschewald Dourina Ritschewald Product Specialist at STERN Connect Dourina Ritschewald Bio
Scientific Papers 15 Lessons Clinical Studies Explore the science and results behind iS Clinical’s innovative formulas. This course pr View Full Course
Business Building 1 Lessons Sales Master the art of effective, client-focused selling in the aesthetic space with this pract View Full Course