Acne is the common term for plugged or clogged pores, which results in blackheads and whiteheads, pimples, and deeper nodules and cysts in the skin. Many myths have developed over the years about the causes of acne.
Hyperpigmentation is a concentrated and usually localised increase in the skin's natural colour, most often caused by sun exposure. It is a common, usually harmless condition in which patches of skin become darker than the surrounding skin.
One of the skin’s most important functions is water conservation, acting as a semi-permeable barrier to the loss of water. The skin’s epidermal and dermal layers have different functions, but water conservation depends on both.
We begin ageing the moment we are born. Evidence of this natural process is reflected most visibly in the quality of our skin. The effects of ageing become apparent in early adulthood, steadily progressing through middle and old age.
Rosacea is defined as "a vascular disorder of the face that causes the blood vessels to swell in the middle area of the face in a butterfly pattern."