Seche Restore Thinner is the only thinner which may be used to thin a bottle of Seche Vite; no other thinner may be used to thin Seche Vite.It may also be used to restore any other nail lacquer product whether one produced by Seche or any other brand.Seche Restore will not diminish shine or dull colours and only replaces those ingredients which have evaporated from the bottle of Secehe Vite or other nail lacquers.