119) Which of the following statements is FALSE using the trichloroacetic acid as a chemical peeling agent?
A. Has no systemic toxicity.
B. Depth of peel is predicted by concentration of solution.
C. Is unstable and therefore must be mixed fresh before each use.
D. Cost is low
E. Neutralization is not needed.
REFERENCES & ANSWER
Alford E. L., Porter J. P.: Chemical Peel, Chapter 32, in Otolaryngology-Head and Neck Surgery (Cummings, Fredrickson, Harker, Krause, Richardson, Schuller, editors), Third Edition, Mosby, Vol. 1, p. 644-645, 1998
http://emedicine.medscape.com/article/842768-overview#aw2aab6b6
119) C Is unstable and therefore must be mixed fresh before each use.
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