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Cosmetic ingredient dictionary

Aqua in cosmetics: what it is and what it does

Aqua is a cosmetic ingredient that dissolves other ingredients. Open Beauty Facts finds it in 13,229 products, most often shampoos.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Aqua do in a product?

In a cosmetic product, Aqua dissolves other ingredients. The EU’s CosIng database lists this job for it: solvent.

solvent

What other names and numbers does Aqua have?

Also named
water, aqua / water, water / aqua, H2O, dihydrogen monoxide, Dihydrogen oxide
CAS number
7732-18-5
EC number
231-791-2
CosIng reference
31959

Which products contain Aqua?

Open Beauty Facts finds Aqua in the ingredient lists of 13,229 of the 22,021 products it has a list for, most often shampoos, hair care and bath and shower.

  • Shampoos739
  • Hair care669
  • Bath and shower519

Products with it, by country of sale: France 4,446 · Germany 1,813 · United States 1,337 · Australia 833.

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

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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