Dull skin tone is a result of excess dead skin cells that build up on the surface of the skin. ..…
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Dull skin tone is a result of excess dead skin cells that build up on the surface of the skin. ... This can make your face feel rough or bumpy, and can also give the skin a dull, lackluster appearance.Dermatological causes, including eczema, acne, post-inflammatory pigmentation, melasma, lentigines and even skin cancers. Medical causes, including jaundice, haemochromatosis and Addison's Disease.