IE20060154 to Laloeuf discloses a hexapeptide of the structure Gly-Pro-Gln-Gly-Pro-Gln for use to improve the appearance of aging skin.Likewise, peptides derived from yeast extracts, especially extracts from Saccharomyces cerevisiae, also known as Bakers Yeast, can function topically to improve wound healing and the appearance of skin according to Bentley et al., Arch Surg, vol. 125, 1990, 641.