trader Joe's midsummer night's lotion

Why it's rated this way

2 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

   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.

2. PetrolatumMinor concernCosmetic-grade petrolatum is highly refined. The EU prohibits petrolatum only when its full refining history is not known and it cannot be shown to be free of carcinogenic impurities.

   What it is

   Its recorded role: uv absorber and moisturising. About Petrolatum

   Why it's flagged

   Cosmetic-grade petrolatum is highly refined. The EU prohibits petrolatum only when its full refining history is not known and it cannot be shown to be free of carcinogenic impurities.

   Regulatory basis

   EU Cosmetics Regulation, Annex II — substances prohibited in cosmetics; EU classification as carcinogenic, mutagenic or toxic to reproduction; Greenveil's curated cosmetic-ingredient concern list. The listing applies only under conditions a label can't show (product type, concentration or use).

   How sure we are

   High confidence. The label names this substance exactly; whether the conditions apply depends on the product's formula.

Assessed against the label as captured: all 26 ingredients recognised.