Every living animal on earth needs ultraviolet rays to survive. It is essential because it causes the body to produce Vitamin D. Vitamin has the role of strengthening our bones, muscles and our immune system. It will also help skin conditions such as psoriasis and in our life it is useful for disinfection and sterilization because it will kill micro-organisms like bacteria and viruses. (1) But UV rays are also a harmful type of electromagnetic radiation to humans. They can cause sunburn and many different type of skin diseases. Too long exposure to UV rays can cause premature aging, damage your eyes and immune system. "UVA waves from the sun penetrate beneath the epidermis into the dermis. There they destroy collagen and elastin tissue resulting …show more content…
It all depends on your skin type, your daily activities and lifestyle. For example if you like swimming in the sun you would rather go with the chemical sunscreen. But if you don't want to wait 15-20 minutes for the sunscreen too start protecting then you would rather choose the physical sunscreen. Sunscreen is a great product and is worth its cost. It can be purchased in many places and stores. In the Netherlands a bottle of sunscreen (#g) can be bought for around $. THis shows that is is not expensive and lower class families and citizens can also purchase it. Sunscreen will protect you from multiple different diseases and will make you a healthier person. Another positive aspect of sunscreen is that it will last long. The product does not expire for around 2 to the 3 years and in that time the whole bottle will be used and will have protected you from receiving