Hyperpigmentation or irregular darkening of the skin is caused by the overproduction of melanin. Formulage’s Perfect Skintone SPF 20+ contains several active ingredients to prevent and reduce hyperpigmentation. Regular use of Perfect Skintone SPF 20+ may reduce the appearance of irregular darkening of the skin. Perfect Skintone SPF 20+ contains UVA and UVB filters to prevent further hyperpigmentation caused by exposure to the sun.