Professional Strength 5% Niacinamide (Vitamin B3) 1% Retinol (Vitamin A) Vitamin E Jojoba Oil Organic Hyaluronic Acid Anti-Aging Evening Routine This concentrated wrinkle and pore reducing serum will leave your skin looking smooth and well hydrated. Retinol helps to tighten the skin and improve texture and tone while Niacinamide reinforces the epidermal barrier.