my baby knees and elbows Are becoming dark what to do

A. Hai good morning !! Due to crawling,walking babies lower body- knees,legs,foot will be more dark,tan compared to upper parts of body. Use knee pads ,long socks while crawling ,put on full pants apply moisturiser on knees,legs 2-3 times a day to avoid dryness. Do milk cream massage with besan or rice flour before bath it helps in removing excess tan gives smooth,glowing skin.