Birth to 4 Months: Most likely nice soft, silky, fuzzy hair , somewhat diminishing toward the 3rd/4th month. 4 - 8 Months:In this stage the Papillon puppy has little hair. 7-8 Months:Adult hair starts growing in nicely. 8-18 Months:The Papillon will now grow all it's adult hair . 15 Months:There will be an additional slight change in about this time. Some Papillons will loose a little hair and then settle with their permanent hair coat.
Ear Fringes, if any, will take longer to grow....It can be several years to fully develop.