Can I use Ultra Retinol on my neck or décolleté? 05 September 2024 09:02 Updated Not on the neck as there are few sebaceous glands in that area, which makes it more sensitive. You can however apply it to the décolleté. It helps with dark spots and tissue firmness so it's a good choice. Related articles Is there a minimum recommended age for starting to use Ultra Retinol? Can I use it on my neck? My dermatologist prescribed isotretinoin, are they the same thing? Can it also be used on the eye contour? Can I use Ultra Retinol in at the same time as Smoothy Gentle Scrub?