Oleth
CautionEmulsifier
Oleth compounds are a series of synthetic ingredients derived from oleyl alcohol, commonly used in cosmetics and pharmaceuticals as emulsifiers and surfactants.
What is Oleth?
Oleth compounds, such as Oleth-2, Oleth-3, and Oleth-5, are part of a series of synthetic chemicals derived from oleyl alcohol. These compounds are primarily used in cosmetics and pharmaceuticals as emulsifiers, surfactants, and solubilizers. Oleth helps in mixing oil and water components, improving the texture and stability of products.
Also known as:
Unsure about an ingredient? Scan it instantly.
Try SpoonfulDiet Compatibility
This ingredient could be derived from animal sources but is not usually seen in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies).
Learn more →This ingredient could be derived from animal sources but is not usually seen in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies).
Learn more →This ingredient is generally considered compatible with a Dairy Free diet.
Learn more →This ingredient is generally considered compatible with a Gluten Free diet.
Learn more →This ingredient is generally considered compatible with a Fodmap diet.
Learn more →This ingredient is generally considered compatible with a Vegetarian diet.
Learn more →Compatibility ratings are general guidelines and may vary by individual. Always consult a healthcare professional for personalized dietary advice.
Why People Avoid Oleth
People may avoid Oleth compounds due to concerns about their potential animal origin, as oleyl alcohol can be derived from animal fats. Vegans, in particular, may choose to avoid these ingredients unless they can confirm a plant-based source. Additionally, some individuals might avoid them due to concerns about synthetic ingredients and potential skin irritation.
Potential Reactions
- Skin irritation
- Allergic reactions
This information is for educational purposes only and should not be considered medical advice. Individual reactions can vary. Consult a healthcare professional if you have concerns about specific ingredients.
Spoonful flags ingredients that don't match your diet.
Get the AppBrowse products that match your diet.
Explore ProductsFrequently Asked Questions
Your Personal Ingredient Scanner
Spoonful helps thousands of people with dietary restrictions shop safely. Scan barcodes, read labels, and find safe alternatives — all in one app.

Take the Guesswork Out of Grocery Shopping
Join thousands who use Spoonful to find foods that match their dietary needs.