ISDIN Isdinceutics Retinal Intense Serum is a potent anti-aging treatment formulated with retinal to target fine lines, wrinkles, and skin texture. This 50ml serum works to boost collagen production and improve skin firmness while promoting cellular renewal for a more youthful, radiant complexion. Ideal for mature or aging skin, this concentrated formula delivers visible results with consistent use. Apply a small amount to clean, dry skin in the evening, starting with 2–3 times weekly to allow your skin to acclimate to retinal. Gradually increase frequency as tolerated. Perfect for those seeking professional-grade skincare with proven anti-aging benefits.