1. Regulation (EC) No 1223/2009 of the European parliament and of the council of 30 November 2009 on cosmetic products.
https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02009R1223-20180801
2. Commission Regulation (EU) No 655/2013 laying down common criteria for the justification of claims used in relation to cosmetic products.
https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2013:190:0031:0034:EN:PDF
3. COLIPA. Guidelines for the evaluation of the efficacy of cosmetic products, Revised version. 2008.
4. Reed RE. The definfiton of cosmeceuticals. J Soc Cosmet Chem. 1962;13(2):103.
5. Kligman AM. Cosmeceuticals: do we need a new category? In: Elsner P, Maibach HI, editors. Cosmeceuticals; drugs vs. cosmetics. New York: Marcel Dekker; 2000.