causes of sensitive skin reactions include: underlying skin disorders or allergic skin reactions related to immune system dysfunction such as atopic dermatitis (eczema) urticaria (hives) rosacea or allergic contact dermatitis. overly dry or injured skin that can no longer protect nerve endings leading to skin reactions. excessive exposure to skin-damaging environmental factors such as sun and wind or excessive heat or cold. less well defined are genetic factors and age gender and race differences in skin sensitivity. for example a type of eczema called nummular dermatitis is most commonly found in men over age 60.
what causes sensitive skin reactions?