Some people who get red spots on their face after taking a shower may be allergic to cosmetics or shampoo on their face. If it simply manifests as red spots on the face, the most common is shampoo allergy, where red spots can appear on the face after the shampoo runs down to the face. Red spots on the face can also be an allergy, such as hives. In addition to the face, see if there are any parts of the body, and if there are also on the body, it is possible to be allergic to hot and cold and have red spots on the face. So, you have to observe yourself what the cause is, see if you are allergic to shampoo or not, and if you are allergic to face wash or not. If you get red spots on your face, go to the hospital in time to see what the disease is, whether it is allergy, serious can take oral anti-allergy medicine, if itching is obvious, you can take oral kairetan or cetirizine.