Tending not to promote the formation of comedones. ... (05 Mar 2000) ... 
A product not likely to clog pores and cause acne lesions.
Type: Term Pronunciation: non-kom′ē-dō-jen′ik Definitions: 1. Tending not to promote the formation of comedones.
These labels mean that products don't appear to clog pores or cause breakouts — an ideal choice for oily or acne-prone skin. However, everybody reacts differently to ingredients, so be aware that these labels are not 100 percent reliable.
A type of skin care product that doesn't make acne worse or promote the formation of blackheads and whiteheads. Some skin care products contain petrolatum lanolin which are comedogenic and can promote blackheads and breakouts, just to name a few.
Does not clog pores or contribute to the formation of acne.
Term for products tested to to not block or clog pores.