Quick answer: the Klairs Supple Preparation Unscented Toner comes closest to the Isntree Hyaluronic Acid Toner: it shares all of its hero actives (Hyaluronic Acid). On price, both sit in the Budget tier. It also overlaps with 1 other product below.
Products the Supple Preparation Unscented Toner matches
Isntree
1 of 1
hero active matched
Same price tierHyaluronic Acid
Why it holds up: Shares all of the original's hero actives: Hyaluronic Acid.
Full ingredient analysis →See them side by side →Round Lab
1 of 3
hero actives matched
Same price tierPanthenol
Why it holds up: Shares Panthenol, but not Allantoin and Glycerin.
Full ingredient analysis →See them side by side →Common questions
Is the Klairs Supple Preparation Unscented Toner a real dupe?
It shares hero actives with 2 same-category products in our catalogue, most closely the Isntree Hyaluronic Acid Toner (matching 1 of 1 of its hero actives). "Dupe" here means shared key ingredients, not an identical formula.
Does matching more hero actives make it better?
No. The match count only shows how many hero actives are shared. The base, supporting ingredients, texture and price still differ, so use the side-by-side comparison for the full picture.
Go deeper
Supple Preparation Unscented Toner
Full ingredient breakdown for this product.
Open the analysis →Educational information only — not medical advice. Overlap reflects shared hero actives, not clinical equivalence.