Firms skin while you sleep. Renews overnight for fresh skin the next morning. Hydrating overnight gel mask. A leave-on gel mask that boosts hydration to firm skin throughout the night. What it Does: Absorbs overnight to boost skin's natural turnover cycle while you sleep. Awaken with firm skin with quick absorbing formula that helps skin's ability to retain moisture. www.olay.com. www.pg.com. For more information, visit www.olay.com. Questions? 1-800-285-5170.