Why Do We Have Moles On Our Skin?

During the first 12 weeks of pregnancy, the developing foetus is making melanocytes – the skin cells that produce ordinary skin colour. These aren’t always evenly spread out: random areas will acquire a cluster and during your life, these clusters can grow into a mole.

moles-skin

The majority of moles appear during the first two decades of a person’s life, with about one in every 100 babies being born with moles

Moles are quite different from freckles. Almost everyone has from 30 to 60 moles on their body, but freckles only occur in people with certain genes – particularly the one responsible for red hair. Freckles also need sunlight to trigger them, while moles appear spontaneously.

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