Rhonda Allison's Pigmentation Solutions Systems are designed for all skin types and provide a variety of choices to customize for specific needs to even skin tone and reduce hyperpigmentation. Using the science of chirality and superior brightening ingredients such as kojic acid, arbutin, daisy flower, ascorbic acid, azelaic acid and potassium azeloyl diglycinatge, their brightening systems use some of the most advanced formulations on the market today.