1. Ahearn DG, Wilson LA, Julian AJ, Reinhardt, DJ Ajello G (1974) Microbial growth in eye cosmetics: contamination during use. Developments in Industrial Microbiology 15:211–215.
2. Ahearn DG, Sanghivi J, Haller GJ Wilson LA (1978) Mascara contamination: in use and laboratory studies. J Soc Cosmet Chern 29: 127–131.
3. Code of Federal Regulations. Title 21, Part 250, sec. 250.250. Hexachlorophene, as a component of drug and cosmetic products.
4. Code of Federal Regulations. Title 21, Part 310, sec. 3 10.508. Use of certain halogenated salicylanilides as an inactive ingredient in drug products.
5. Code of Federal Regulations. Title 21, Part 330, sec. 330.10. Procedure for classifying OTC drugs as generally recognized as safe and effective and not misbranded, and for establishing monographs.