In order to achieve the effect of sun-proof, you should apply the amount of sun-protection product as much as three times than lotion or cream. Try to apply multilayer of sun-protection product and the gap for each layer is 1 to 2 minutes for making them be well absorbed by skin.
Fist, apply day cream or lotion having the effect of sun-proof as a base. Second, try to use fast-absorbing sun-protection product and repeat twice. If you have a habit of make-up, the foundation make-up and finishing powder having the effect of sun-proof will make award bonus for you.