Uriage
URIAGE Xemose Face Cream 40ml
about $29.90
Steareth-21
Steareth-21 is listed in CosIng with formula roles surfactant - cleansing, cleansing, and surfactant - emulsifying.
- INCI name
- Steareth-21
- CAS number
- 9005-00-9
A single molecular structure has not been verified for this record.
Its role in a formula
Steareth-21
- Surfactant - cleansinghelps remove dirt and oil
- Cleansinghelps remove dirt and oil
- Surfactant - emulsifyingkeeps oil and water blended together
Recorded formula roles, not a prediction of a finished product’s results.
About the sourcesAbout Steareth-21: what the sources say
What is Steareth-21?
Poly(oxy-1,2-ethanediyl), .alpha.-octadecyl-.omega.-hydroxy
European Commission CosIng · ingredient identityWhat is it used for in a formula?
The source lists these formulation categories. Their meanings describe cosmetic roles, not a tested result for every product.
- surfactant - cleansing, cleansing
- An ingredient in this category helps remove dirt and oil.
- surfactant - emulsifying
- An ingredient in this category keeps oil and water blended together.
What reading is available?
- 1 cosmetic-science references
- 8 research papers
Compiled from the sources linked above. Source authors have not reviewed beautydew labs. Related reading and formulation classifications do not establish a finished product’s effectiveness, suitability, concentration or safety.
Evidence and limits for Steareth-21
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 meansBeauty reading & sources
Cosmetic ingredient reviews (1)
Ingredient function, formulation and safety background from cosmetic-science publishers. Industry affiliation is disclosed below.
- 20 October 2020
croda.com
Ingredient supplier technical or educational material; the publisher has a commercial interest.
Research papers (8)
Related papers naming this ingredient or a sourced alternative name in metadata or available article text. Laboratory, clinical, oral, topical and mixed-formula studies have different scopes. These links are not reviewed benefit claims.
- Synthesis and Evaluation of a ZnO-Chitosan Adduct for Safe and Sustainable Enhanced Ultra-Violet (UV) Sunscreens Protection.
Molecules (Basel, Switzerland) · 2024
- Synthesis and Characterization of New Multifunctional Self-Boosted Filters for UV Protection: ZnO Complex with Dihydroxyphenyl Benzimidazole Carboxylic Acid.
Molecules (Basel, Switzerland) · 2019
- A New Approach to UV Protection by Direct Surface Functionalization of TiO2 with the Antioxidant Polyphenol Dihydroxyphenyl Benzimidazole Carboxylic Acid.
Nanomaterials (Basel, Switzerland) · 2020
Related cosmetic research; ingredient names checked in available article text. Mixtures, laboratory work and clinical studies have different scopes; this is not an isolated-ingredient efficacy assessment.
PubMed is hosted by the U.S. National Library of Medicine. Listing there does not mean NIH authored or endorses a paper.
Cosmetic ingredient references
- Steareth-21 in COSMILE Europe
Industry ingredient directory · matched to the publisher’s ingredient index.
- Steareth-21 in INKEEDecoder
Commercial ingredient explainer directory, formerly INCIDecoder · matched to its publisher index; claims not independently reviewed.
- European Commission CosIng database
Catalog reference 79291. Database inclusion is not approval or proof of safety or effectiveness.
Where it fits in real formulas
Related ingredients, common formula neighbors, naming, and catalog context. This stays separate from evidence and personal-fit guidance.
What kinds of products contain Steareth-21?
Real brands and product categories from the 3 decoded products listing Steareth-21 — an observation of our catalog, not a claim about market share.
3 of 7,321 decoded products list this ingredient. Count calculated on (UTC). Counts describe our recorded labels, which may differ from current packaging; the public product list can be smaller than the decoded catalog.
How we collect ingredient listsBrands
Product categories
moisturizers (3)
Based on those categories, Steareth-21 shows up mostly in leave-on products (3 of 3 classified) — derived from product category, not a label fact.
Which products contain Steareth-21?
All 3 →3 public products list this ingredient.
Catalog preview
A compact look at the first products in this result set
1–1 / 3
About the sources
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 79291) · 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.