Isdinceutics Retinal Smooth Serum 50 ml is formulated with retinaldehyde, a powerful derivative of retinoic acid that effectively combats the signs of aging. Its formula includes bakuchiol and VitA-Tech, natural ingredients recognized for their anti-aging properties, along with melatonin to stimulate the skins antioxidant defenses. INSTRUCTIONS FOR USE: For best results, apply Isdinceutics Retinal Smooth Serum 50 ml at night to clean, dry skin. Massage gently until completely absorbed. Its niacinamide-based formula will nourish and soothe your skin, reducing wrinkles, protecting it from daily damage, and restructuring it for a more even tone.