Dweck, A C The Society of Cosmetic Scientists 1999 Spring Symposium. Cosmeceuticals - one small step or a giant leap? Proving benefits for botanical products. [electronic resource] - International journal of cosmetic science Aug 2000 - 239-46 p. digital Publication Type: Journal Article ISSN: 1468-2494 Standard No.: 10.1046/j.1467-2494.2000.00015.x doi