Cationic polymer conditioner. Reduces the tight feeling after washing with surfactants and makes hair softer and easier to comb.
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Formulation ingredient with a softening effect on the post-cleansing feel. CIR considers it safe at cosmetic concentrations.
Polyquaternium-7 (PQ-7) is a cationic conditioning polymer. One of the most common in shampoos and shower gels. Where applied. Shampoos, conditioners, intimate hygiene products, shower gels (0.5-3%). Reduces tight feel after surfactant cleansing, makes hair softer and easier to comb. Safety. CIR confirmed PQ-7 safety. No systemic absorption through skin. Contact allergy rare. EWG hazard score 2-3 (low). Pregnancy and lactation – safe.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to Wildberries, Goldapple, Letu, iHerb, Sephora and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Polyquaternium-7 is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Polyquaternium-7 suits: oily, dry, combination, normal.
Cationic polymer conditioner.
The INCI name is Polyquaternium-7.
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