Pores

Blemishes seem to go hand-in-hand with acne problems. Actually, skin blemishes technically include acne and everything in between - from birthmarks and dark circles to moles and scars.

Your skin contains many openings through which oil (sebum) from the oil (sebaceous) glands comes to the skin's surface, via the hair follicle and pores of the sweat (sudoriferous) glands.

Saunas work by heat being used to raise temperature so that sweat is produced. Sweat cleans the pores from the inside out.

The term "comedogenicity" is often called "pore-clogging" relative to product ingredients.

Steam your face

Blackheads are technically referred to as open comedones. These bumps are often indented and may look like tiny plugs.

Technically speaking, the pore is little more than the opening of the hair follicle onto the surface of the skin. The source of the hair follicle lies deep within the dermis.