###Human: Why does skin become darker after delivery? ###Assistant: Hello. These changes are all due to hormonal changes which occur during pregnancy. So, it is very difficult to treat. It is better to avoid any treatment during this period. Many drugs cannot be given during pregnancy as it can affect child. Moreover, these changes many times subside after pregnancy or lactation period. So, counseling her is the best choice. Use a safe soap or cleanser like Cetaphil to wash face. She can use sunscreens like Shade lotion 2-3 times a day. It helps to prevent darkening of skin. Ask her to take nutritious diet as recommended during pregnancy. Do not strain or rub the eyes and give rest to the eyes. Check if there are any refractive errors of eye.