The Kristin Ess Leave-In Conditioner and Working Serum Styling Duo Bundle is the perfect pairing for soft, smooth, and frizz-free hair. This salon-quality set includes the Weightless Shine Leave-In Conditioner (8.45 oz), a lightweight hydrating spray that instantly detangles, moisturizes, and strengthens strands, and the Weightless Shine Working Serum (1.7 oz), a versatile styling serum that tames frizz, smooths dry ends, and adds a healthy shine. Suitable for all hair types, including color-treated hair, this duo works together to provide weightless hydration, enhanced manageability, and a polished, salon-like finish.