"Saccharomyces", also known as sugar yeasts (Greek sakcharon = sugar), is a generic term for ascospore-forming sprout fungi. Cultures of Saccharomyces species grow very quickly under ideal conditions and can reach maturity within 3 days. They have the ability to utilize various carbohydrates - especially sugar.
Saccharomyces/iron ferment is a product that is created by fermentation of Saccharomyces species in the presence of iron ions.
Saccharomyces/iron ferment is a mixture of substances that is used in cosmetic formulations. The mixture acts as a skin care product (keeps the skin in good condition).