Formaldehyde
Flagged by EWG Skin Deep + IARC ↗ as a carcinogen concern
What it is
A known human carcinogen (IARC Group 1) used as a preservative in some cosmetics and hair-straightening treatments.
Found in 10 products on this site
Sorted worst score first. Lower score = more concerning overall formulation.
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27 87 Lametta eau de parfum 27 ML27 870 Avoid
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McKesson Personal Cleansing Wipes Soft Pack ScentedMcKesson MedSurg25 Avoid
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Brush Tip Clear DUO AdhesiveWestbay35 Avoid
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Living Proof Shampoo Idratante Perfect Hair Day (Shampoo) - Volume: 60 MlLiving Proof35 Avoid
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Living Proof Shampoo Secco Perfect Hair Day (Shampoo Secco Advanced Clean) - Volume: 355 MlLiving Proof35 Avoid
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Living Proof Shampoo Volumizzante Per Capelli Fini Full (Shampoo) - Volume: 60 MlLiving Proof35 Avoid
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Living Proof Shampoo Anti-Crespo No Frizz (Shampoo) - Volume: 60 MlLiving Proof35 Avoid
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Living Proof Balsamo Anti-Crespo No Frizz (Balsamo) - Volume: 60 MlLiving Proof35 Avoid
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Living Proof Balsamo Per Capelli Mossi E Ricci Curl (Balsamo) - Volume: 100 MlLiving Proof35 Avoid
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Medline Sween Moisturizing LotionMedline65 Caution
Products that avoid this ingredient
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