Do Preparation H and Saran Wrap really work for weight loss? Preparation H and Saran Wrap do not work for weight loss. You may remove a few pounds after using Preparation H, but it is because of water loss in your body. You can burn fat and lose weight only using a proper diet and adequate exercise.

Does Preparation H and Saran Wrap tighten skin?

Here's how: Preparation H's active ingredient is phenylephrine, a natural vasoconstrictor, which means it constricts blood vessels. By constricting blood vessels, excess water is removed from under the skin. This in turn creates the illusion of a tighter, more fit body.

Does Preparation H Work on sagging skin?

To answer your question: No, preparation H is for hemorrhoids and does not cause long term benefit in wrinkles. People use it to decrease blood flow (like bag under the eyes) but this is not recommend as it thins the skin.