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Cosmetic ingredient dictionary

Silicone Quaternium-26 in cosmetics: what it is and what it does

Silicone Quaternium-26 is a cosmetic ingredient that softens and smooths the skin. Open Beauty Facts finds it in 11 products.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Silicone Quaternium-26 do in a product?

In a cosmetic product, Silicone Quaternium-26 softens and smooths the skin, keeps the skin in good condition, and makes hair easier to comb, softer or shinier. The EU’s CosIng database lists these jobs for it: emollient, skin conditioning and hair conditioning.

emollientskin conditioninghair conditioning

What is Silicone Quaternium-26?

is a complex siloxane polymer that is formed by the reaction between glycidoxy-terminated polydimethylsiloxane, N,N,N',N'-tetramethyl-1,6-hexanediamine, PPG-3 and Lauric Acid.

CosIng reference
91630

Which products contain Silicone Quaternium-26?

Open Beauty Facts finds Silicone Quaternium-26 in the ingredient lists of 11 of the 22,021 products it has a list for.

Products with it, by country of sale: Australia 9 · Norway 1 · Germany 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Silicone Quaternium-26 turns up, not how much of the market it is.

On these listsEmollients

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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