What it is
Yeast extract is a complex blend of amino acids, peptides, sugars, and other cell-derived components obtained from yeast. In skincare it is used as a conditioning agent and humectant that helps support a hydrated, smooth skin feel. It is typically incorporated at low concentrations within a broader formulation.
Safety & warnings
Yeast extract is generally well tolerated in cosmetic use. Individuals with known yeast sensitivities may wish to be aware of its presence, though reactions at cosmetic use levels are uncommon.
Origin & sourcing
Natural; produced from the cells of yeast (commonly Saccharomyces species) through processes such as autolysis or extraction.
Questions everyone asks
What is yeast extract made from?
It is made from yeast cells and contains a mixture of amino acids, peptides, and sugars.
What does yeast extract do for the skin?
It works as a conditioning agent and humectant, helping skin feel hydrated and smooth.