Whiteheads are tiny and white raised spots and are caused by the accumulation of hardened sebum or oil in the pores of the skin. Whiteheads are caused by the accumulation of hardened sebum or oil, in the pores of the skin. Whiteheads are tiny cysts which are formed due to the improper elimination of oil [...]

A blackhead (medically known as an open comedo , plural comedones) is a yellowish or blackish bump or plug on the skin. A blackhead is a type of acne vulgaris. It is caused by excess oils that have accumulated in the sebaceous gland’s duct. The substance found in these bumps mostly consists of keratin and [...]