has anyone have sagging skin after birth :( its soo saggy but flat better than the first day, bcz im breastfeeding they…

has anyone have sagging skin after birth :( its soo saggy but flat better than the first day, bcz im breastfeeding they say u loose body weight, does anyone suggest tummy shaper those which suck the belly in and if someone has tried it which ones u guys reccomend? xx