Clairol Natural Instincts Hair Colour 5 Medium Brown Semi Permanent each

Why it's rated this way

9 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. 4-Amino-2-HydroxytolueneHigh concernEU CosIng Annex III

   What it is

   Its recorded role: hair dyeing and colourant. About 4-Amino-2-Hydroxytoluene

   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. m-AminophenolHigh concernEU CosIng Annex III

   What it is

   Its recorded role: hair dyeing and colourant. About m-Aminophenol

   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.

5. Hydrogen PeroxideHigh concernEU CosIng Annex III

   What it is

   Its recorded role: antimicrobial and oral care. About Hydrogen Peroxide

   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.

6. Salicylic AcidModerate concernEU-permitted exfoliant and preservative within Annex III concentration limits (about 2 % in most products, 0.5 % as a preservative) and not for children under 3 except in shampoo. It is classified as a suspected reproductive toxicant (CMR category 2), so the limits matter.

   What it is

   Its recorded role: preservative and skin conditioning. About Salicylic Acid

   Why it's flagged

   EU-permitted exfoliant and preservative within Annex III concentration limits (about 2 % in most products, 0.5 % as a preservative) and not for children under 3 except in shampoo. It is classified as a suspected reproductive toxicant (CMR category 2), so the limits matter.

   Regulatory basis

   EU Cosmetics Regulation, Annex III — allowed only within set limits and conditions; EU classification as carcinogenic, mutagenic or toxic to reproduction (category 2); 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.

7. Paraffinum Liquidum/Mineral Oil/Huile MinraleMinor concernCosmetic-grade mineral oil (paraffinum liquidum) is a highly refined white oil. The EU prohibition covers untreated and mildly treated petroleum oils, not refined grades.

   What it is

   Its role isn't recorded in our data yet.

   Why it's flagged

   Cosmetic-grade mineral oil (paraffinum liquidum) is a highly refined white oil. The EU prohibition covers untreated and mildly treated petroleum oils, not refined grades.

   Regulatory basis

   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

   Moderate confidence. Matched to part of a longer label entry, so the flagged form may not be the one in this product.

8. Sodium HydroxideMinor concernAlkali (lye). It is used up in the product: as a pH adjuster it neutralises an acid in the formula, and in soap it turns the oils into soap. The EU caps the alkalinity it may leave (pH 11 for pH-adjuster use); the higher limits, with warnings, are only for hair straighteners, cuticle removers and depilatories.

   What it is

   Its recorded role: buffering and denaturant. About Sodium Hydroxide

   Why it's flagged

   Alkali (lye). It is used up in the product: as a pH adjuster it neutralises an acid in the formula, and in soap it turns the oils into soap. The EU caps the alkalinity it may leave (pH 11 for pH-adjuster use); the higher limits, with warnings, are only for hair straighteners, cuticle removers and depilatories.

   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.

9. Titanium DioxideMinor concernPermitted white pigment and UV filter. Inhaled titanium dioxide powder is a suspected carcinogen, so the EU restricts it in loose face powders and hair sprays and bars it from any product that could be breathed in; in creams, toothpaste and other non-sprayed products those limits do not come into play.

   What it is

   Its recorded role: uv filter and uv absorber. About Titanium Dioxide

   Why it's flagged

   Permitted white pigment and UV filter. Inhaled titanium dioxide powder is a suspected carcinogen, so the EU restricts it in loose face powders and hair sprays and bars it from any product that could be breathed in; in creams, toothpaste and other non-sprayed products those limits do not come into play.

   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: 49 of 50 ingredients recognised.