Polyquaternium-4/Hydroxypropyl Starch Copolymer
Polyquaternium-4/Hydroxypropyl Starch Copolymer is a film forming and hair conditioning ingredient. It’s in 1 product on Poliage, most often hair styling. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
What it does
Contains Polyquaternium-4/Hydroxypropyl Starch Copolymer: film-forming
Function listed in CosIng
Contains Polyquaternium-4/Hydroxypropyl Starch Copolymer: hair-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 58824, accessed October 22, 2026.
Products that contain Polyquaternium-4/Hydroxypropyl Starch Copolymer
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