http://www.skincareguide.ca/articles/ Sun Care articles written by internationally recognised dermatologists. http://www.skincareguide.ca/articles/general_skin_care/what_is_in_your_sunscreen.html There is more to sunscreens that meets the eye. Here are a few points you should keep in mind when selecting one... http://www.skincareguide.ca/articles/general_skin_care/learning_about_sun_protection.html Sunshine, although essential for health and well being, is certainly a hazard for the skin. For many people it feels good to spend time outdoors and this makes it difficult to avoid excessive exposure to the sun... http://www.skincareguide.ca/articles/general_skin_care/gen_skin_care_art_16.html The skin has evolved to protect us from the harmful effects of ultraviolet light. Sunscreens were first developed to prevent sunburns by blocking UVB; they allowed us to prolong our time in the sun, but that resulted in increased exposure to UVA... http://www.skincareguide.ca/articles/general_skin_care/gen_skin_care_art_20.html It's summer! That means vacation, beaches, tennis and of course sun shine. Although we get Vitamin D from the sun, it is thought that you really don't need more than minutes of sunshine a week in order to get the required amount...