Well, hereâs the thing: your old iPhone or Android device is simply brimming with all kinds of personal data, like usernames, passwords, phone numbers, photos, email â¦ you name it. 1  Just tap Erase All Content and Settings to wipe your iPhone's memory clean.
Irritant contact dermatitis. Irritant contact dermatitis occurs when your skin comes into direct contact with a substance that damages the outer layer of your skin, causing redness, itching, and a burning or stinging sensation.
Contact dermatitis causes. There are two types of contact dermatitis: allergic and irritant. Like all allergic reactions, allergic contact dermatitis results from a reaction of the immune system. The immune system overreacts to the substance, usually an animal or vegetable protein. The immune system is activated to produce antibodies against this allergen.