Blotchy skin means irregular patches with different skin color having redness and itchiness.
Such skin problem often occurs on chest,face arms and legs.
Reason for such skin can be rosacea, eczema, psoriasis, or exposure to extreme climatic conditions, hormonal changes, excessive stress, genetic factors or any injury. Because of such skin one look more mature.
If the patches are mild, can be treated with home remedies but doctor consultation is required if they are serious.