Essay On Sunblock

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Which brand of sunblock is the most effective against the UV rays of Dubai and South Africa according to the different S.P.F. levels?

CONTENDER 1 CONTENDER 3 CONTENDER 2

DEFENDING CHAMPION

MICAELA DINIZ 7R
CRAWFORD PREPARATORY LONEHILL
PURE SCIENCE, HEALTH CARE AND SPORTS SCIENCE

Table of Contents:

PAGE NO. CONTENTS
1 My dedication
2 What’s my project all about
3 Background research
4 What is SPF
5 What are UV rays
6 How can we protect ourselves from UV rays
7,8 What are
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• Eye damage e.g. sunburn of the cornea, cataracts
• Immune system suppression - over exposure of too UV rays supresses the proper functioning of the body’s immune system. An example of this is if a person who suffers from Herpes simplex virus is over exposed to the sun, this can result in the reoccurrence of the cold sores.

WHAT IS SUNBLOCK?

Sunblock is a lotion, spray or gel that absorbs or reflects some of the suns UV rays. There are two types of sunblock; the physical sunblock, which contains natural minerals such as titanium dioxide and zinc oxide. These create a physical barrier on the skin to block or reflect the UV rays. The second type of sunblock is chemical sunblock, which contains synthetic ingredients such as oxybenzone and octinoxate. These chemicals are absorbed by the skin protecting the deeper layers of the epidermis.

WHY DO WE NEED SUNBLOCK We all need sunblock to protect our skin from damaging UV rays. Using sunblock daily will reduce the risk of skin cancer. MY PROPASAL QUESTION:

Which brand of sunblock is the most effective against the UV rays of Dubai and South Africa according to the different S.P.F.

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