Trichloroacetic acid (TCA; 10–35%) has been used for many years and is safe to use at low concentrations. At higher concentrations (e.g., ≥50%), TCA has a tendency to scar and is less manageable than other agents used for superficial peels. TCA is found in several proprietary peels at varying concentrations, and some kits have instructions and buffering agents so that the peel can be diluted as deemed necessary. Anecdotal reports have indicated the use of TCA in stretch marks, although there is a lack of clarity and absence of data for assessment of this subject. Some authors have had good success using low concentrations (15–20%) of TCA and performing repetitive papillary dermis-level chemexfoliation repeated at monthly intervals with reported improvement in texture and color of marks.42,43