Isdinceutics Retinal Intense Serum , Rejuvenate, 50 Ml Brand New. Anti-wrinkle night serum with retinaldehído. Get visibly younger skin with Retinal Intense, the biphasic night serum that helps accelerate skin renewal. Formulated with retinaldehído, it visibly reduces wrinkles and expression lines for smoother, more uniform and younger-looking skin. Advice for use: Use Retinal Intense in your night routine. Dose two pulses of product and mix both phases until a homogeneous color is obtained. Apply a thin layer on the clean and dry face, avoiding the contour of the eyes and mucous membranes. All our products are brand new , never opened .