Do I always need to use sun protection? 05 September 2024 09:27 Updated If you lead an outdoor life or are exposed to the sun, then yes, you should apply it every morning. (remember that Ultra Retinol should be applied in the evening) Related articles Is Ultra Retinol effective against acne? Can I use Ultra Retinol every day? Can I use it before applying my usual cream? Can I use Ultra Retinol on my neck or décolleté?