Polyquaternium 7 1 L

What Makes This Cationic Polymer a Staple for Hair Care Formulators

Polyquaternium 7 is a water-soluble cationic polymer widely used in the production of shampoos, conditioners, rinse-off treatments and styling products. This ingredient belongs to the section Silicones and Conditioning Surfactants for Hair, which brings together components responsible for softness, detangling and static reduction in finished hair care formulas. The largest global demand for this polymer comes from the hair care industry, though household chemical manufacturers, particularly fabric conditioner producers, also rely on it to reduce static cling and improve fabric feel.

In shampoo formulations, polyquaternium 7 is typically added during the surfactant blending stage at temperatures up to about forty degrees Celsius to preserve the polymer structure. Recommended usage levels range from 0.5 to 3 percent depending on the desired conditioning strength. It pairs well with anionic and amphoteric surfactants, reducing their potential irritation on the scalp, and shows good synergy with silicone derivatives such as PEG-10 Dimethicone, which helps achieve smooth detangling of wet hair without weighing it down. For professional sulfate-free formulas, manufacturers often combine it with Polyquaternium 22 to deliver more comprehensive care for damaged or color-treated hair.

Beyond shampoos, polyquaternium 7 is used in styling foams and mousses, gentle baby care products, and certain liquid soap and shower gel formulations, where it acts simultaneously as a mild thickening agent and conditioning aid. In some cases, it also finds its way into small-batch home-made cosmetics, including soap with a conditioning finish, though this remains a minor application compared to its primary role in hair and personal care manufacturing.

The 1 liter packaging suits studio-scale and small-batch producers, as well as trial runs before scaling up to larger shampoo and conditioner production lines. This volume is convenient for smaller labs testing formulations before mass production, while also supporting steady supply for regular manufacturing cycles without frequent reordering. The polymer remains stable across a wide pH range and tolerates electrolytes well, allowing it to be combined with salt and other thickeners without losing viscosity in the final product.

Store the polymer in a tightly sealed container, in a dry place at room temperature, away from direct sunlight and heat sources. Under proper storage conditions, it retains its performance characteristics over an extended period, making it a reliable raw material for manufacturers working with stock reserved for several production batches.

For an enhanced conditioning effect and natural shine, formulators often complement this polymer with natural silicone alternatives such as Natural Coconut Silicone, which blends well with cationic polymers and boosts the smooth feel of hair after washing.

Detangling Conditioner for Color-Treated Hair

Distilled water 650 ml

Coco glucoside 150 ml

Cocamidopropyl betaine 90 ml

Polyquaternium 7 40 ml

PEG-10 Dimethicone 12 ml

Panthenol 8 ml

Lavender essential oil 3 ml

Preservative according to manufacturer instructions