Yes it is good to use.
But understand this. Any sunscreen will help upto certain extent only.
There is no cream in the world that give 100% protection.
So better cover the skin properly.
Yes sunscreen do prevent tanning if applied in correct quantity and frequently though no sunscreen can prevent sun tanning hundred percent.
Apply every two hours of you are outdoor.
Diploma In Dermatology And Venerology And Leprosy (DDVL), MBBS
Dermatologist, Rewari
Use sunscreens which are available in aquagel form like suncros aquagel, photoban aquagel, zoray aquagel etc.These are water base, doesn't causes acne.
Apply facial cleanser with your fingertips instead of a washcloth, sponge or brush. Use lukewarm water, not very hot water. Because oily hair can make acne worse, wash your hair every day if needed. Do not pick at your face or squeeze your acne.
Having issues? Consult a doctor for medical advice