Ear Wax Build Up in Teens, Kids, and Babies: When is ear wax removal DIY safe and when should a child see a doctor first? Article also includes safe tips for ear wax build up removal in babies and young kids. (Hint: Don't use a Q-tip!). Includes ear wax color meanings (does the wax change with ear infections?), 2 reasons impacted ear wax may need to be removed by a health care professional and when ear wax build up can just be left alone. No medical advice. Information only.