Steps to Block or Show Less of a Face : How to hide memories & block faces in Google Photos
● Open the Google Photos app.
● Tap your profile photo or initial in the top right, then go to Photos settings.
● Select Preferences, then Memories.
● Open Hide people and pets. ● Under “Show less” or “Blocked,” tap Select Faces. ● Choose the faces you want to hide. ● Tap Done.