The Earth's Crust is like the skin of an apple. It is very thin in comparison to the other three layers. The crust is only about 3-5 miles (8 kilometers) thick under the oceans(oceanic crust) and about 25 miles (32 kilometers) thick under the continents (continental crust).
The problem behind your itchy skin might be insufficient vitamin intake. There are a number of vitamins that promote the hydration and healthiness of your skin. A shortage in these could trigger itchiness, dry skin and other skin conditions. Alternatively, an overdose of such vitamins might also lead to itchy skin.
Dry, Itchy Skin and Vitamin C. Vitamin C can help to treat dry and itchy skin. Photo Credit skin image by Robert Kelly from Fotolia.com. Dry and itchy skin may be the result of a skin disorder, or may occur due to improper care of the skin.To help combat dry and itchy skin, consider supplementing your diet with a variety of foods that are rich in vitamin C. This nutrient is efficient in helping to treat and prevent dry and itchy skin.Vitamin C is among the group of antioxidant vitamins, along with vitamin E and beta-carotene. build-up of free radicals over time can be dangerous, as they are believed to play a role in contributing to the aging process, conditions that may involve dry, itchy or possibly even wrinkly skin. Antioxidants like vitamin C help to locate and destroy free radicals.