my 4 years old girl hairs are very thin how to take care of her hairs? Please give me suitable diet suggestion and other tips for her healthy hairs as well as.

A. hi dearToddlers should have their hair shampooed about three times a week. Oily and straight hair should be shampooed once a day or every other day. Straight, non-oily hair can be shampooed once or twice a week. African-American hair, curly hair, or dry hair should be shampooed every 7 to 10 days.