This Neutrogena Hydro Boost Serum with Niacinamide is formulated to deliver intense hydration and visibly improve skin texture. Featuring the power of Niacinamide, this serum works to smooth and even out skin tone while maintaining essential moisture levels. It is an excellent addition to a daily skincare routine, designed to leave the complexion feeling refreshed and supple. Use this serum morning and/or evening before your moisturizer to maximize absorption and efficacy.