SPF is always last. Do not layer oil, moisturizer, or gua sha on top of this because it can interfere with the sunscreen film. If you can only do one thing in the morning, it is sunscreen. This is the non-negotiable step for dark spots, sun damage, and keeping the rest of the routine worth doing.
I am currently looking to replace my beloved Josie Maran SPF that was discontinued. Sadly, this one is not a good replacement.
Read my full critical review on this product here.