The hyperpigmentation or uneven skin tone is usually a result of excessive production of melanin, there are various factors that cause hyperpigmentation. Taking care of these issues can help you a great deal in improving the skin tone. Some of these factors are:Extreme hormonal imbalanceExposure to the harmful ultraviolet rays from the sunExposure to pollution can cause spots and blotches on the skinSkin conditions like vitiligo and tinea versicolor lead to an uneven skin ton of your dreams, then you have come to the right place