There are NO fluorescent or glow in the dark color additives approved for FOOD usage.  However, there are colorants approved for cosmetic usage.   Fluorescent colors: Only the following fluorescent colors are approved for use in cosmetics, and there are limits on their intended uses: D&C Orange No. 5, No. 10, and No. 11; and D&C Red No. 21, No. 22, No. 27, and No. 28 [21 CFR 74.2254, 74.2260, 74.2261, 74.2321, 74.2322, 74.2327, and 74.2328].   Below is a link to the FDA standards and usage restrictions. http://ecfr.gpoaccess.gov/   Glow-in-the-dark colors: Luminescent zinc sulfide is the only approved glow-in-the-dark color additive (cosmetics) [21 CFR 73.2995] and there are limits and restrictions to use.   Below is a link to the FDA standards and usage restrictions. http://www.gpo.gov/fdsys/pkg/CFR-2002-title21-vol1/xml/CFR-2002-title21-vol1-sec73-2995.xml   Foam concentrate is intended for use only on limited, infrequent occasions and not for regular or daily use.