- (especially of a cosmetic or skin-care product) tending to clog pores and encourage the formation of blackheads.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Tending to produce or aggravate acne.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.