Yes, you can use the Vitamin C serum with any other face creams, but for the best results it is recommended that firstly you should apply the Lotus Whiteglow Vitamin C face wash to cleanse your face, then apply the Lotus Whiteglow Vitamin C+ Gold Radiance Serum and as a final step apply the Lotus Whiteglow Vitamin C Cr������������������������������������������������������me. If you have dry skin, it is recommended that you also add the Lotus Whiteglow Vitamin C face oil to your nighttime routine.