Tower 28 Made Its Fan-Favorite Facial Mist Into a Serum

Inspired by the brand’s best-selling, cult-favorite SOS Rescue Spray, the serum soothes irritated skin and visibly reduces redness for a clearer and calmer complexion. Like the spray, the hero ingredient is hypochlorous acid, an acid that’s naturally produced by the body’s immune system to fight off bad bacteria and calm redness. It also contains a non-drying solution of water and sodium chloride to act as a delivery system for the hypocholorous acid since it’s found naturally in white blood cells.

Dr. Kelly Killeen, a double board-certified plastic and reconstructive surgeon in L.A., previously broke down the science lesson on the spray forĀ InStyle. “Hypochlorous acid is a spectacular ingredient as it does several things,” she said. “This multitasking ingredient allows the SOS Spray to be gentle with only one other ingredient, saline or salt water. Hypochlorous acid not only kills bacteria and viruses [but] also improves blood flow and reduces inflammation. These two additional things help your skin heal faster.”

Also, similar to the spray, this formula has also earned the National Eczema Association’s Seal of Acceptance, deeming it safe for all skin types, including those with inflammatory conditions such as eczema and rosacea.

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