Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A) Icepick and boxcar acne scars in a 46-year-old African American patient after six treatments of chemical reconstruction of skin scars with 100% trichloroacetic acid (TCA) using a 30-guage needle; B) Day 1 after application of 100% TCA using a micropipette with 0.5-μL volumes; C) Day 56 after 100% TCA application using a micropipette; the previously treated acne scars showed increased atrophy with persistent erythema.
