As the instruction says, you use the WB first, so it may act as the base serum or light lotion. Then you apply the SFP on top of it to lock in the moisture overnight and give you the nutrients both of them promise.
For the whole two weeks, I admit I woke up happy every morning because of the bouncy, poreless skin I got from these products. If not because of the hot-n-humid weather in Jakarta, I think it’ll stay that way. I do think that MORES White Booster and MORES Skin Firming Pack will work wonder for those with less problematic skin. Normal skin bearers would love this for nightly maintenance.