1 Clean your brush and use clean water or a second color to paint inside the outline, being sure to blend with the outer color. 2  Leave the middle white. 3  For a dark center, paint it in once the flower has dried.  For a light center, paint it while the flower is still wet to blend.
Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids (most notably beta-carotene). Vitamin A has multiple functions: it is important for growth and development, for the maintenance of the immune system and good vision.
Vitamin A and the provitamin A carotenoid, beta carotene, help protect you from free radicals. Vitamin A and beta carotene are also responsible for healthy vision, cell growth and normal formation and maintenance of your heart, kidneys, lungs and other organs. According to the U.S. Food and Drug Administration, adults and children older than 4 need 5,000 international units of vitamin A per day.