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.
In skin products, vitamin A is described as an antioxidant that protects the skin against photoaging by fortifying each cell against damage by exposure to free-radicals. In higher concentrations, vitamin A can act as a humectant, drawing water to the surface of the skin.