Comedogenic
The potential to block pores, which may lead to acne and blackheads.
Comedones
Small flesh-coloured or black spots on the skin caused by sebum blockage. Closed comedones are referred to as whiteheads, whereas open comedones are blackheads.
Connective tissue
A primary tissue. The form and function vary widely between types of connective tissue, but all connective tissues contain a large amount of extracellular matrix. Functions of connective tissues include support, holding tissue fluid and protection from disease.
Collagen
Principle organic constituent of connective tissue.