Skip to content

GREENVEIL

  • beauty
  • industrial

Aluminium hydroxide sulphate

CAS 1332-73-6 · 20/100 · High conf.

Also registered as 2 other CAS numbers

8011-94-7 · 21645-51-2

Concern score

20/100Minor concern based on regulatory listings.
High confidence

Aluminium hydroxide sulphate in plain language

What it is

On cosmetic ingredient lists it appears as “Aluminum hydroxide”.

Also known as Aluminum hydroxide · CI 77002 · Aluminum monohydroxide monosulfate · Aluminium hydroxide

What it does

Used in cosmetics as a humectant, an emollient and a colourant. CI 77002 is classed chemically as an inorganic colour. It consists predominantly of aluminium hydroxide, with varying amounts of basic aluminium sulfate.

  • Humectant
  • Emollient
  • Colorant
  • Skin protecting
  • Opacifying
  • Viscosity controlling
Is it a concern?
Minor concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

What the listings say

Permitted, with conditions — Aluminium hydroxide sulphate appears on published "allowed" regulatory lists rather than on a restriction list.

Aluminium hydroxide sulphate is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Aluminium hydroxide sulphate appears in these published regulatory listings.

  • EU Annex IV — permitted colorant
  • EU permitted colorant

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActive3 entries
    • Listed in CosIng inventory for cosmetic use.Source →
    • Cosmetics Regulation annex IV / ref 118.Source →
    • CI 77002 is classed chemically as an inorganic colour. It consists predominantly of aluminium hydroxide, with varying amounts of basic aluminium sulfate. It conforms generally to the formula: Restriction: IV/118Source →
  • EUECallowed_listedAnnex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.
    • Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Dye.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Dye.Source →

Expert safety opinions

No expert opinion on file for Aluminium hydroxide sulphate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Aluminium hydroxide sulphate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2020-08-14

    Open →

  • EPA Chemical and Products Database

    exposure · updated 2020-02-13

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Aluminium hydroxide sulphate in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

HumectantEmollientColorantSkin protectingOpacifyingViscosity controlling
See products using Aluminium hydroxide sulphate →

Catalog

Found in these products

Cosmetic and personal-care products that list Aluminium hydroxide sulphate are shown first. Their ingredient lists include Aluminium hydroxide sulphate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 340 →Find products without it →