Sérum Diário Mini-Hydro-Bound

I've been using this morning and night for two weeks and my skin actually feels bouncier when I press my fingers to my cheek, plus the HA4 locks in moisture all day even under makeup. The polyglutamic acid makes it a bit tacky for a minute but that fades fast, and the hydration lasts through my dry

The texture is so light it disappears the second I pat it in, yet my skin stays bouncy all day—that polyglutamic acid layer really does lock in the moisture where my old serum just evaporated. Three weeks in and my foundation sits smoother over my cheeks than it has in months.

I’ve been layering this under my moisturizer for two weeks now and the HA4 plus polyglutamic acid combo really locks in that bounce—my skin still feels plump by mid-afternoon, which never happened before. It’s featherlight, so it doesn’t sit heavy under sunscreen either.