Hyperpigmentation is a complicated condition faced by many skincare professionals. This presentation will explore the mechanisms of melanin formation and melanocyte function, associated with states of hyper-hypo pigmentation. Learn why newly discovered lightening mechanisms such as melanasome transfer and melanin stimulating hormones inhibitors are key components in melanin formation. Methods to reduce melanin by exfoliation and enzyme blockage will be presented as well as treatments for melasma, inflammatory hyperpigmentation and photo damage.