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 Can I use Ultra Retinol every day? Is Ultra Retinol effective against acne? My dermatologist prescribed isotretinoin, are they the same thing? Can I use it before applying my usual cream? Can I use Ultra Retinol on my neck or décolleté?