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Tea-Isostearate

A cosmetic ingredient used as cleansing, hair conditioning, surfactant - cleansing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Isooctadecanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1)

What does it do?

Tea-Isostearate is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Cleansing

    helps remove dirt, oil, makeup, and other contaminants from skin or hair

  • Hair conditioning

    improves the appearance, feel, and manageability of hair

  • Surfactant - cleansing

    surfactant whose primary cosmetic role is cleansing — the active workhorse in soaps, shampoos, and body washes

  • Surfactant - emulsifying

    surfactant that forms and stabilises emulsions of oil and water — without it, creams and lotions would separate

EU regulatory status

This ingredient is restricted in the European Union.

Tea-Isostearate is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 62). It is permitted only under specific conditions, concentration limits, or in particular product types.

Frequently asked questions

What is Tea-Isostearate?

Tea-Isostearate is a cosmetic ingredient catalogued in the EU CosIng database. Isooctadecanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1)

Is Tea-Isostearate allowed in cosmetics in the EU?

Only with restrictions. Tea-Isostearate is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.

What does Tea-Isostearate do in cosmetic products?

Tea-Isostearate is declared in the EU cosmetic ingredient inventory with these functions: cleansing, hair conditioning, surfactant - cleansing, surfactant - emulsifying.

What is the CAS number of Tea-Isostearate?

The CAS (Chemical Abstracts Service) number for Tea-Isostearate is 88120-12-1.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010