You should clean and dry the armpits too. Sometimes fibres from clothings may be trapped inside the skin folds. I always distract my baby by singing a song or make funny noises and then clean it.
cradle cap. First time I noticed after ifc too. then tried to rub out the dirt but it hurts bb. so in the end I just wipe n apply lotion whenever diaper change
you should definitely wash the armpit during shower. if baby doesn’t want to lift up, you lift up and clean. must wash one
you should shower the armpit also, it's because the friction between the skin