The Dr. Rashel Vitamin C & Retinol Day & Night Brightening & Renewing Face Serum is designed to support a smoother, more radiant-looking complexion around the clock. The daytime formula helps refresh and brighten the appearance of dull skin, while the nighttime blend with retinol works to improve skin texture and reduce the look of fine lines. With regular use, the serum helps promote a more even-toned, revitalised, and healthy-looking complexion.