Dimethylol ethylene thiourea

Dimethylol ethylene thiourea in plain language

What it is

Also known as 1,3-BIS(HYDROXYMETHYL)-2-IMIDAZOLIDINETHIONE · 1,3-Bis(hydroxymethyl)imidazolidine-2-thione · 2-Imidazolidinethione, 1,3-bis(hydroxymethyl)- · Dimethylolethylenethiourea · 1,3-Bis(hydroxymethyl)imidazolidin-2-thione · BIS(HYDROXYMETHYL)IMIDAZOLIDIN-2-THIONE, 1,3-

Show all 10 names

E83755 · Q27279399 · Qxyjlkuvmpxxka-uhfffaoysa-n · UNII-H09EK3X952

What it does

Used in cosmetics as an antimicrobial and a hair conditioner.

• Antimicrobial
• Hair conditioning
• Conditioner

Is it a concern?

High concern: no hazard classifications on record. It is restricted in EU cosmetics.

Why it's flagged

1,3-Bis(hydroxymethyl)imidazolidine-2-thione is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — restricted

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.

• EU Annex III — restricted
• EU restricted in cosmetics

• EU·EC

  Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: (a) Hair products (b) Nail products Maximum concentration: (a) 2% (b) 2% Other conditions: (a) Not to be used in aerosol dispensers (sprays) (b) pH < 4 Conditions of use and warnings: Contains Dimethylol ethylene thiourea

  restricted
  View source →

• EU·CosIng·Active2 entries

  • Cosmetics Regulation annex III / ref 44.Source →
  • Restriction: III/44Source →
• US·EPA·commercial 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 Biocide, Softener and conditioner.

  • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Biocide, Softener and conditioner.Source →
• US·FDA·listed in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.

  • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Dimethylol ethylene thiourea. 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.