The hand duo from Nécessaire gives you a day-night system for youthful hands. One is a daily peptide moisturizer with ceramides, peptides, niacinamide, and marula butter to reverse dryness. The other is a repair serum with retinol, AHA, peptides, vitamin, and glycerin to help treat and prevent lines, wrinkles, spots, and marks. Use them in tandem for complete hand rejuvenation.