Here are some Iâve found on the subject of art and art history. â 1  Art is not what you see, but what you make others seeâ -Edgar Degas. â 2 Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seenâ â Leonardo Da Vinci.
Other forms of vitamin B 3 include the corresponding amide and nicotinamide (niacinamide), where the carboxyl group has been replaced by a carboxamide group (CONH 2), as well as more complex amides and a variety of esters.
Also known as vitamin B3 and nicotinic acid, niacinamide is a potent cell-communicating ingredient that offers multiple benefits for aging skin.ssuming skin is being protected from sun exposure, niacinamide can improve skinâs elasticity, dramatically enhance its barrier function, help erase discolorations, and revive skinâs healthy tone and texture. [1,2,3,4,5,6].