Quaternium-27
AvoidPreservative
Quaternium-27 is a quaternary ammonium compound primarily used in cosmetics and cleaning products rather than food.
What is Quaternium-27?
Quaternium-27 is a quaternary ammonium compound known for its conditioning properties, which makes it popular in hair care products like conditioners and shampoos. It is rarely used in food products but may be found in certain medications or supplements due to its antimicrobial and preservative qualities. It is not derived from animal sources, making it suitable for vegan use in non-food applications.
Also known as:
Unsure about an ingredient? Scan it instantly.
Try SpoonfulDiet Compatibility
Animal product not typically used in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies).
Learn more →Animal product not typically used in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies).
Learn more →Animal product not typically used in food (more typically seen in medications, supplements, cosmetics and/or cleaning supplies). Likely contains alpha-gal byproducts.
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 →Compatibility ratings are general guidelines and may vary by individual. Always consult a healthcare professional for personalized dietary advice.
Why People Avoid Quaternium-27
People may avoid Quaternium-27 due to its potential to cause skin irritation or allergic reactions, particularly in those with sensitive skin. As it is not commonly used in foods, avoidance is generally more relevant in cosmetics and personal care products. Vegans may choose products without it to avoid any synthetic compounds that are not essential or could have been tested on animals.
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.