Diethanolamine (DEA) and Related Compounds Medium Risk

A family of chemicals used as emulsifiers, foam boosters, and pH adjusters in cosmetics and cleaning products. Includes DEA, MEA (monoethanolamine), and TEA (triethanolamine). Can react with other ingredients to form carcinogenic nitrosamines.

Health Concerns

  • Possible carcinogen - can form nitrosamines
  • Skin and eye irritation
  • Liver and kidney toxicity in animal studies
  • Can be absorbed through skin
  • May cause allergic reactions
  • Potential organ system toxicity

Environmental Impact

  • Toxic to aquatic life
  • Can contaminate water systems
  • Contributes to nitrogen pollution
  • Persistent in some conditions
  • Bioaccumulation concerns

Regulatory Status

DEA restricted in EU cosmetics. California Prop 65 listed. Not restricted in US cosmetics.

What to Avoid

Ingredients containing 'DEA', 'MEA', or 'TEA' such as cocamide DEA, lauramide DEA, triethanolamine

Safer Alternatives

Products using plant-based emulsifiers, glycerin, or vegetable-derived surfactants

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