Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- beauty
C11-15 PARETH-9
CAS 173244-48-9
Concern score
Not assessed — no hazard data yet.
C11-15 PARETH-9 in plain language
On cosmetic ingredient lists it appears as “C11-15 ALKETH-9”.
Also known as C11-15 ALKETH-9 · PARETH-15-9 · Tergitol 15-S-9 surfactant
Used in cosmetics as an emulsifier.
- Emulsifying
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
What we know about this ingredient
FDA GSRS classifies this ingredient as ingredient substance mixture.
Regulation
No restrictions found. C11-15 PARETH-9 appears in these published regulatory listings.
EUCosIngActiveC11-15 Alketh-9 (Formerly C11-15 Pareth-9) is a polyethylene glycol ether of a mixture of synthetic C11-15 fatty alcohols with an average of 9 moles of ethylene oxide.
- C11-15 Alketh-9 (Formerly C11-15 Pareth-9) is a polyethylene glycol ether of a mixture of synthetic C11-15 fatty alcohols with an average of 9 moles of ethylene oxide.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
- openFDA substance registry classifies this ingredient as mixture.Source →
Expert safety opinions
No expert opinion on file for C11-15 PARETH-9. 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 C11-15 PARETH-9 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Found in these products
Cosmetic and personal-care products that list C11-15 PARETH-9 are shown first. Their ingredient lists include C11-15 PARETH-9; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
- Gel crème colorant n°30 châtain foncéEugene Perma, petrole hahn · Hair
- Éclat & douceur Scintilis actifEugène Color, Eugène Perma · Hair
- Clairol Nice 'N Easy Permanent 6R Light Auburn Hair Colour eachClairol
- Clairol Nice 'N Easy Permanent 4 Dark Brown Hair Colour eachClairol
- Clairol Nice 'N Easy Permanent 7CB Dark Champagne Blonde eachClairol
- Clairol Nice 'N Easy Permanent 9A Lght Ash Blonde Hair Colour eachClairol
- Clairol Nice 'n Easy 3.5bg Natural Dark Burgundy Permanent Hair Colour 1 packClairol
- Clairol Nice 'N Easy Permanent 6A Light Ash Brown Hair Colour eachClairol
- Clairol Nice & Easy Permanent 8a Medium Ash Blonde Hair Colour eachClairol
- Clairol Nice 'n Easy 5rb Natural Medium Chestnut Brown Permanent Hair Colour 1 packClairol
- Clairol Nice 'N Easy Permanent 5 Medium Brown Hair Colour eachClairol
- Clairol Nice 'N Easy Permanent 6 Light Brown Hair Colour eachClairol
- Clairol Nice 'N Easy Permanent 3.5 Darkest Brown Hair Colour eachClairol
- Clairol Nice 'N Easy Permanent 2 Black Hair Colour eachClairol
- Clairol Nice 'n Easy 9.5a Natural Baby Blonde Permanent Hair Colour 1 packClairol
