The International Dermal Institute (IDI) has trained more than 100,000 of the world’s top skin therapists, and in celebration of that achievement, IDI will offer its most popular class, “International Skin Care Techniques Workshop,” at no charge to new students, for a limited time. The three-day class prepares the skin therapist to give the client a comprehensive professional skin treatment from start to finish. Training includes theory, hands-on demonstrations, and the opportunity for each s...