Advanced Formula with Apple Fruit Stem Cells A Potent Serum for Sun Damage Skin with Apple Fruit Stem Cells and Melanosatine 5 The Leader in Educated Skin Care with the Ultimate in Bioactives Apple Brightening Serum Apple Brightening Serum is powerful serum with apple fruit stem cells, Melanosatine 5, Algowhite and Applephenon to effectively diminish hyperpigmentation due to excessive sun exposure and age. Exceptional antioxidants such as organic acai and resveratrol protect against free radical damage and strengthen skin against future damage. Best skin brightening results are achieved by using all four products. Always remember to apply daily UVA/UVB sun block.