There is a method here using Wavelet Decompose Filters > Enhance > Wavelet Decompose
https://patdavid.net/2011/12/getting-aro...etouching/
There are also a couple of filters in gmic: Details > East Skin Retouch and Repair > Smooth (Skin)
https://patdavid.net/2011/12/getting-aro...etouching/
There are also a couple of filters in gmic: Details > East Skin Retouch and Repair > Smooth (Skin)