Physical sunscreens, on the other
hand like zinc oxide and titanium dioxide, are made of natural elements found on the earth, and are said to «block» or «scatter» UV rays so they don't penetrate the skin in the first place.
Not exact matches
Sunblocks, on the other
hand, use minerals
like titanium dioxide or
zinc oxide to deflect these rays away from the skin.
On the other
hand, what the liver really does do is it stores many important nutrients, including vitamins A, D, E, K, folic acid and the B vitamins, and minerals
like copper,
zinc and iron.