Yeast Extract
What is Yeast Extract?
Yeast Extract is produced by breaking down yeast cells, typically from Saccharomyces cerevisiae, through autolysis or enzymatic hydrolysis. This process yields a water-soluble complex containing amino acids, peptides, beta-glucans, nucleotides, B vitamins, and trace minerals. In cosmetics, it belongs to the skin conditioning category and is incorporated into creams, serums, and masks at low levels. It works primarily as a humectant, drawing moisture to the skin's surface and aiding retention within the stratum corneum. Additionally, its components help bolster the skin barrier function by supporting lipid organization and providing mild protective effects against environmental stressors. The extract's bioactive elements contribute to improved skin texture without altering pH significantly, making it suitable for various formulations focused on daily hydration and comfort.
Roles in Formulation
This ingredient serves the following purposes in cosmetic formulations:
Benefits
Supports skin hydration by acting as a humectant.
Enhances skin softness and smoothness.
Promotes flexibility and comfort in the skin's surface.
Who It's For
A quick guide for who this ingredient may suit (and who should be cautious).
| Who May Benefit | Who Should Avoid |
|---|---|
| Individuals with dry or dehydrated skin. | People with known yeast or fungal allergies. |
| People seeking gentle conditioning for daily use. | Individuals sensitive to saccharomyces-derived ingredients. |
| Those with normal to combination skin types. | Those experiencing active dermatitis from yeast components. |
Safety Notes
- Recognized as safe for cosmetic use by regulatory panels.
- Low potential for irritation or comedogenicity.
Frequently Asked Questions about Yeast Extract
What is Yeast Extract made from?
It comes from broken-down yeast cells like Saccharomyces cerevisiae, rich in amino acids and vitamins.
Is Yeast Extract comedogenic?
It has a comedogenic rating of 0, suitable for acne-prone skin.
Can Yeast Extract irritate skin?
It generally shows low irritation potential for most users.