These products were not developed to be used together because they target different skin concerns. If you are looking for a solution for wrinkles, dark spots, and loss of firmness, we recommend Hello Results Wrinkle-Reducing Daily Retinol Serum-in-Cream. If you are looking for a solution for texture, fine lines, and pores, Hello Results Resurfacing Glycolic Acid Treatment + Caring Night Oil is recommended.