Papillons do shed....twice / yearBut since Papillons have a "single coat" ( no under coat), they shed a little less than those dogs with a "double coat"You will have less of a problem by brushing your dog regularly. This way you catch most of his hair .If your Papillon get stressed , Bitches post whelping, health problems, insufficient diet) loose also hair besides their regular shedding time. Hair loss and Shedding should be differentiated.