ABSTRACT
There are many cosmetic materials that are claimed to have anti-aging effects when used
topically. Since there are so many of these materials and since the term anti-aging is very
broad (in terms of prevention vs. improvement and the wide array of possible benefit areas
such as wrinkling, sagging, texture, sallowness, hyperpigmentation, etc.), this relatively
short chapter must necessarily be selective in its scope. Thus, this discussion will focus on
only a few classes of cosmetic agents which are reported to have bio-activity to provide
wrinkling and/or sagging improvement (i.e., repair or reversal). Particular attention will be
directed to those materials within these classes for which there are readily available or
published clinical data to support their reported skin appearance improvement benefits.
VITAMIN A
