Factors that can trigger hyper-pigmentation namely:

 In

Sun damage is a very common trigger for hyperpigmentation, especially in hotter climates such
as Africa’s. Freckles, age spots, and other darkened skin patches can become darker or more

This happens because melanin absorbs the energy of the sun’s harmful ultraviolet rays in order to protect the skin from damage.

Melasma or Chloasma is hyperpigmentation triggered by hormonal changes/influences. Pregnancy, for example, can trigger overproduction of melanin that causes hyperpigmentation on the face. Melasma frequently reduces after pregnancy. Women who take birth control pills may also develop hyperpigmentation.

Post inflammatory hyperpigmentation is another form of hyperpigmentation that is caused by any type of trauma to the skin. (e.g. Acne) Post-inflammatory hyperpigmentation (PIH) causes skin darkening and discoloration that show
up as spots, or as large patches on a person’s skin. This is because cells that normally produce brown pigment evenly across your skin produce too much melanin.

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