To use this primer, first clean and moisturize your face. Then, take an appropriate amount of the paste - textured primer and gently spread it evenly across your face. It's suitable for all skin types, so no matter what your skin is like, you can enjoy its benefits of concealing imperfections and minimizing pores. There's no need to worry about sunscreen as this product doesn't have that function. When storing, keep it in a cool and dry place. If you have any skin sensitivities, it's a good idea to do a patch test first. This primer comes in different pack options, so choose the one that suits your needs best.