L'Oréal
Shampooing violet déjaunisseur
Decoded formula
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In cosmetic formulas, Polyquaternium-7 is listed in CosIng as an antistatic agent (static control, mostly in hair products), and also leaves a thin film on skin or hair after it dries.
Polyquaternium-7 is listed in CosIng as an antistatic agent (static control, mostly in hair products), and also leaves a thin film on skin or hair after it dries.
The listed functions explain its role in a formula. They do not establish whether a finished product will suit your skin.
No reviewed benefit claim is available here yet. Compare the complete formula, its directions, and your own skin preferences.
What a CosIng listing meansIngredient function, formulation and safety background from cosmetic-science publishers. Industry affiliation is disclosed below.
CosmeticsInfo · Personal Care Products Council
Industry-funded cosmetic ingredient education; not a government approval.
Further reading from beauty writers and cosmetic formulators.
Lab Muffin Beauty Science
Beauty science blog; affiliate links and sponsorships may be present.
Lab Muffin Beauty Science
Beauty science blog; affiliate links and sponsorships may be present.
Related papers naming this ingredient in their title or in a beauty-relevant abstract passage. Laboratory, clinical and exposure studies have different scopes; these links are not reviewed benefit claims.
Contact dermatitis · 2001
PubMed is hosted by the U.S. National Library of Medicine. Listing there does not mean NIH authored or endorses a paper.
Industry ingredient directory · matched to the publisher’s ingredient index.
Catalog reference 36882. Database inclusion is not approval or proof of safety or effectiveness.
Related ingredients, common formula neighbors, naming, and catalog context. This stays separate from evidence and personal-fit guidance.
Similar ingredients
related by documented function or concern
2 public products list this ingredient.
Ingredient lists show presence and order, not concentration, pH, ingredient grade, delivery system, or finished-formula performance.
Sources & methodologyCompiled from the EU CosIng database (ref 36882) · snapshot 16 June 2026. CosIng is an informational, non-legally-binding reference. Inclusion does not mean an ingredient is approved, safe, authorized for cosmetic use, or clinically effective. An INCI list does not reveal concentration, pH, ingredient grade, delivery system, or finished-formula performance.