Test spots in dermabrasion and chemical peeling

Small, inconspicuous test spots performed in advance of a planned dermabrasion or chemical peel can be an excellent adjunct to surgery. Greater predictability of efficacy, pigmentary response, healing characteristics, and side effects is achieved with this preliminary test. Comparisons can also be made between various brushes or fraises, as well as types and strengths of peeling chemicals. Patient anxiety will be alleviated and reliability enhanced with this simple procedure. The relatively few drawbacks of test spots are discussed.