Answer to Question #348688 in General Chemistry for fadi

Question

give one advantage of using nano particles in sun creams

Answer 1

Nanoparticles of zinc oxide are now often used in sun creams and have several benefits:

• they give better skin coverage to the sun cream;

• they give more effective protection from the sun's ultraviolet rays;

• they are clear and colourless which makes the sun cream invisible on the skin.