How your skin works

Find out how your skin works, discover how skin colour is defined by pigments in the skin and learn more about the human body's largest organ, skin.

What skin colour means

Skin colour and race have developed loaded meanings. But when a biological explanation is given for these historical labels, people can start moving away from misunderstandings.

How your skin works

Your skin regulates your body temperature, forms a physical barrier against injury and infection, and protects your internal organs. Here's how it works.

Why your skin changes colour

You can perk up pallor by slapping on self-tan or make-up, but your skin’s colour can also say much about your emotions and your state of health.

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Ask the Expert

Skin expert

Dr Suretha Kannenberg holds a degree in Medicine and a Masters in Dermatology from the University of Stellenbosch. She is employed as a consultant dermatologist by Stellenbosch University and Tygerberg Academic Hospital, where she is involved in clinical duties and the training of medical students and dermatology residents. Her areas of interest and research include vitiligo, eczema and acne. She also performs limited private practice work in the Northern suburbs of Cape Town in general and cosmetic dermatology.

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