The Boost - 0.15 - 8 PackThis potent treatment booster combines 4% retinol with stabilized vitamin C and hyaluronic acid to enhance professional peel treatments while encouraging healthy cell renewal. Soothing botanicals, including green tea, licorice root, and shea extract, provide calming support, helping to refine texture and even tone while minimizing irritation. The result is a luminous, more refined complexion with softened expression lines. Includes (8) individual 0.