Tea tree oil & Keratin

Why it's rated this way

5 ingredients on this label are flagged. A cosmetic's rating is set by its most serious finding — here, Methylisothiazolinone.

1. MethylisothiazolinoneHigh concernPotent contact sensitizer; banned in EU leave-on cosmetics since 2017.

   What it is

   Its recorded role: preservative and antioxidant. About Methylisothiazolinone

   Why it's flagged

   Potent contact sensitizer; banned in EU leave-on cosmetics since 2017.

   Regulatory basis

   Greenveil's curated cosmetic-ingredient concern list.

   How sure we are

   High confidence. The label names this substance exactly.

2. MethylchloroisothiazolinoneHigh concernPotent contact sensitizer (MCI).

   What it is

   Its recorded role: preservative and antioxidant. About Methylchloroisothiazolinone

   Why it's flagged

   Potent contact sensitizer (MCI).

   Regulatory basis

   EU Cosmetics Regulation, Annex V — permitted preservative, with a concentration limit; Greenveil's curated cosmetic-ingredient concern list.

   How sure we are

   High confidence. The label names this substance exactly.

3. ClimbazoleHigh concernEU CosIng Annex III

   What it is

   Its recorded role: preservative and antimicrobial. About Climbazole

   Why it's flagged

   EU CosIng Annex III

   Regulatory basis

   EU Cosmetics Regulation, Annex III — allowed only within set limits and conditions.

   How sure we are

   High confidence. The label names this substance exactly.

4. Hydrolyzed Wheat ProteinMinor concernWheat protein fragments, used for conditioning. Soap with a large-peptide wheat hydrolysate caused wheat allergies in Japan, so the EU caps the average peptide size at 3.5 kDa; relevant if you have a wheat allergy.

   What it is

   Its recorded role: skin conditioning and hair conditioning. About Hydrolyzed Wheat Protein

   Why it's flagged

   Wheat protein fragments, used for conditioning. Soap with a large-peptide wheat hydrolysate caused wheat allergies in Japan, so the EU caps the average peptide size at 3.5 kDa; relevant if you have a wheat allergy.

   Regulatory basis

   EU Cosmetics Regulation, Annex III — allowed only within set limits and conditions; Greenveil's curated cosmetic-ingredient concern list.

   How sure we are

   High confidence. The label names this substance exactly.

5. Polyquaternium-7Minor concernFilm-forming or conditioning polymer made from acrylamide. The polymer itself is not the concern: the EU limits the leftover acrylamide monomer (a carcinogen) to 0.1 mg/kg in leave-on body products and 0.5 mg/kg in others, a purity specification the raw material has to meet.

   What it is

   Its role isn't recorded in our data yet. About Polyquaternium-7

   Why it's flagged

   Film-forming or conditioning polymer made from acrylamide. The polymer itself is not the concern: the EU limits the leftover acrylamide monomer (a carcinogen) to 0.1 mg/kg in leave-on body products and 0.5 mg/kg in others, a purity specification the raw material has to meet.

   Regulatory basis

   EU Cosmetics Regulation, Annex III — allowed only within set limits and conditions; Greenveil's curated cosmetic-ingredient concern list.

   How sure we are

   High confidence. The label names this substance exactly.

Assessed against the label as captured: all 34 ingredients recognised.