Neither side of my family or my husband's are huggers & definitely not kissers. I have a few friends that I've known for a long time that only will give hugs & no big deal.
Hand shakes are just fine for saying hi. If I don't know you or may have just been introduced to you, don't even think about a hug let alone a kiss.
There is one acquaintance who wants to give hug & a kiss, I back away from both.
As far as kids, it's always seemed creepy to me when people want to give them hugs/kisses. Especially when the kids are trying to stay or get away from them.