Polyquaternium-11
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What Is Polyquaternium-11?
A cationic conditioning polymer used in styling products and conditioners. It provides conditioning and flexible hold simultaneously, making it popular in multifunctional hair products.
Source: Synthetic quaternized polymer
Origin: Synthetic
Also known as: PQ-11, VP/DMAEMA Copolymer
What Does Polyquaternium-11 Do to Your Hair?
Provides conditioning and lightweight flexible hold in a single ingredient. Deposits on hair to form a soft, conditioning film that also provides styling structure. Reduces static and improves wet and dry combability.
Best For
Fine hair, all hair types, curly hair, styling needs
Not Recommended For
Very dry hair (mild buildup potential)
Concentration Matters
0.5-3% in products
Hair Type Compatibility
Method Compatibility
Safety & Regulation
Safe for cosmetic use. Water-soluble so builds up less than silicones. Provides conditioning without heavy coating. Well-tolerated and non-irritating.
FDA Status: Generally Recognized As Safe
FDA permits use in cosmetics without restrictions.
EWG Score: 2/10
HairAide Verdict
A versatile conditioning polymer that does double duty as a styler and conditioner. Water-soluble and CG-friendly. A smart choice in multifunctional products for fine hair.
Products That Contain Polyquaternium-11
Styling products, conditioners, mousses, volumizing products, leave-in treatments
Alternatives to Polyquaternium-11
If you want to avoid Polyquaternium-11, look for products with these ingredients instead:
PVP, VP/VA Copolymer, Polyquaternium-37
Frequently Asked Questions
Yes, Polyquaternium-11 has a safety rating of 7/10 and is generally considered safe for use in hair products. Safe for cosmetic use. Water-soluble so builds up less than silicones. Provides conditioning without heavy coating. Well-tolerated and non-irritating.
Polyquaternium-11 is CG-method approved and is generally considered safe for curly hair.
Yes, Polyquaternium-11 is approved for the Curly Girl method.
Some alternatives to Polyquaternium-11 include: PVP, VP/VA Copolymer, Polyquaternium-37
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