Zoray Sunscreen Lotion

Use sunscreen with spf of 50. U can apply at home also. Windows and fluorescent bulbs can let through uv rays that can cause damage to your skin ? so unless you're in a windowless room with no light, your skin is receiving uv radiation.

No my field of expertise, but you can try with higher SPF (Sun Protecting Factor), trial and error the one that suits your skin.

It's ideal to select a sunscreen that blocks enough uv rays to adequately protect your skin type. Use the sun protection factor guide to help determine your skin type and appropriate spf. If you have very fair or sensitive skin, a history of skin cancer, or take photo-sensitizing medications, you may need a higher spf.

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.

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.