A way to pause or remove aging for specific sims in households?

I know you can mark households as unplayed and then set unplayed sims to age automatically, but I really wish there was a setting or some potion that completely removes age progression for SPECIFIC sims, played and unplayed.

(I have two households, both played, with parents I want to pause aging for but leave the children to grow up automatically. I’m a major generations/family simmer, I don’t want to have to manually age up the children all the time. Does this sound tedious?)

There’s a potion of rejuvenation (Realm of Magic?) and something else but they either reset the current life stage or they pause aging at elder stage 💔 I’m a console player and I’ve bought ALL of the packs, so I don’t really want to leave console behind and resort to mods to solve this issue…