Diving into Polyquaternium 7’s Attributes
Polyquaternium 7 stands out as a cationic polymer widely used in cosmetic formulations. Its high affinity for hair and skin allows it to impart excellent conditioning properties, ensuring softer, more manageable tresses and a smoother skin feel.

Quick Insights
Ingredient Rating:
GOOD
Type of Ingredient:
Moisturizer, Conditioner, Strengthener and Emulsifier
Intended Function:
To deliver enhanced combability, minimize static, boost shine, improve foam stability, and create a smooth, velvety skin/hair feel.
Common Applications:
Commonly added to shampoos, conditioners, detangling sprays, body washes, facial cleansers, and shaving creams at 0.1–5 %; typically 0.5–3 % in haircare and 0.2–2 % in skincare.
Target Audience:
Formulators of everyday or premium rinse‑off and leave‑on hair and skin products aiming for improved sensory texture, reduced fly‑aways, and enhanced conditioning performance.
Also Known As:
Poly(acrylamide‑co‑diallyldimethylammonium chloride), Quaternium‑41.
Polyquaternium 7 in Hair Care
The world of shampoos and conditioners is no stranger to Polyquaternium 7. Its ability to reduce static electricity and improve wet combing makes it a favored ingredient in many hair care products. Beyond detangling, it adds a natural shine to hair, ensuring locks look healthy and vibrant.
Polyquaternium 7 in Body Washes & Shower Gels
In body washes and shower gels, Polyquaternium 7 works its magic by enhancing the skin’s feel, reducing tightness post-shower. Its humectant properties retain moisture, ensuring skin remains hydrated and soft throughout the day.
Polyquaternium 7 in Skincare Products
Skincare creams and lotions benefit from its moisturizing properties, providing a pleasant, non-sticky finish. Especially in products for dry or sensitive skin, Polyquaternium 7 ensures a gentle yet effective hydration boost.
Safety Analysis
Safety Profile: Reviewed by Cosmetic Ingredient Review; non-irritating to intact or abraded skin (≤ 8 %), non-photosensitizing; ocular irritation mild and transient; not mutagenic.
Residual Monomers: Suppliers ensure < 1 – 10 ppm residual acrylamide (neurotoxin) as per CIR guidelines.
Usage Limits: Typically used at ≤ 5 %; allergy events extremely rare, above 5 %, mild sensitization reported.
Regulatory Compliance: Approved globally. Must comply with purity/extractables limits.
Formulation Notes: Best added late in cooldowns; compatible with surfactants including anionic; provides film without buildup.

References
Add Polyquaternium 7 To Your Cosmetic Line
Considering the addition of Polyquaternium 7 to enhance your products? Connect with FormuNova. Let’s craft formulations that meet and exceed consumer expectations.
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