I'm not sure which product you have. If it's the "when hope is not enough" serum in the brown bottle with dropper then this is a serum and is applied to clean skin. If it's the hope in the jar then this is moisturizer. If it has SPF then it follows your serum, but if it doesn't it's after your serum but before SPF.
I hope this helps. If it's neither listed then please post a link to the product or a photo.