IQ Retinoid Serum Shot 30mlReduces fine lines & prevents signs of premature ageing. With a 1% Retinol & Retinoid Complex known to help accelerate skin renewal, for firmer, smoother skin. Usage Instructions: Start by using once or twice a week & slowly work towards application once every two days as the skin develops a tolerance. Apply a few drops to cleansed face in the evening. Smooth evenly over face. Follow with an IQ moisturiser.