ISDIN Retinal Intense Serum is an advanced anti-aging treatment that combines retinal (retinaldehyde) with other active ingredients to help reduce the appearance of wrinkles and improve skin texture. This 50ml serum provides intensive overnight skin renewal and rejuvenation. Key features: • Contains retinal (retinaldehyde) for enhanced anti-aging benefits • Helps reduce appearance of fine lines and wrinkles • Improves skin texture and tone • Suitable for nighttime use • 50ml airless pump packaging for optimal product preservation Part of ISDIN's Isdinceutics professional skincare line, this serum should be applied to clean, dry skin in the evening. Start with using it 2-3 times per week and gradually increase frequency as tolerated. May cause mild tingling or redness initially as skin adjusts. Use sunscreen during the day when using this product. Store at room temperature away from direct sunlight.