“Hallstein is amazing water and a huge part of the Beauty Sandwich lifestyle,” says renowned celebrity facialist and creator of the secret method responsible for some of the world's most beautiful faces, Iván Pol. “I have each client drink half a bottle before treatment, the other half after, and another full bottle before the end of the night. It enhances the results of the treatment.” #tastethedifference #drinkbetter #hallsteinartesianwater #perfectedbynature #cleanwater #drinkingwater #highqualitywater #untreated #unfiltered #beautysandwich #skincare