baby having more foamy saliva is it common

A. Babies, however, don’t develop full control over their swallowing muscles and the muscles around the mouth until they are between 18 and 24 months. Hence: baby = drool faucet. drooling is very common for children around 2-3 months old, and typically lasts until a child reaches 12-15 months-s (roughly the same age that teething begins)  Sometimes drool can lead to a rash around the mouth, To keep drool from getting in contact with baby’s skin, do wipe the drool off often with a soft, gently cloth.  4 months, it's natural for a baby to put objects into his mouth to explore them. Also at this age he's beginning to produce more saliva than he can swallow, which causes drooling