1.How to use? Dab a pea-sized amount of face primer onto your fingers and gently rub it into your face. Pay special attention to your laugh lines and the area under your nose to make them look and feel more smooth. 2.What is the order of use? First use skin care products, second use this face primer, at last apply foundation. 3.Whether you can use this primer daily? Will not hurt the skin? It is health hydrating gel formula without harm to skin, sure you can use it every day. 4.What is the function of this makeup base? It helps to hide your pores and keeps your skin looking smooth to create a good base for your makeup and extends foundation wear. 5.How about the results? It can bring you a matte oil-free makeup finish. 6.What kind of skin is suitable for? Ideal for both oily skin and dry skin who want pore perfection and smooth finish.