Cells

The bad news about our skin: collagen loss is inevitable and happens to both men and women after the age of 25 – next to sun damage, this is one of the second cause of fine lines, wrinkles and lo

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.

Ceramides are natural lipids (fats) and a major component of skin structure. These fats allow skin to retain moisture.

Wrinkles indicate age, and particularly for women, are seen as problematic for beauty and worth eliminating, if possible.

The face often ages more rapidly than other parts of the body. Facial skin is exposed to the environment more than other areas. In your 20s, you might not have given this much thought.

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

The human skin constantly renews itself. New skin grows from the basal layer, rising through the epidermal layers to the stratum cornea.

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.