Sodium Lauryl Sulfate (SLS)
The question

Is Sodium Lauryl Sulfate (SLS) safe in toothpaste?

CautionToothpaste

A strong detergent surfactant that strips the skin barrier and may irritate sensitive skin. Common in foaming products.

What the research flags

  • Disrupts skin barrier — increases transepidermal water loss
  • Oral irritation and canker sore association
  • Eye irritant
  • May worsen eczema-prone skin

Other toothpaste ingredients on file

Sources & references

  1. [1]
    Peer-reviewedPubMed / NCBI — pubmed.ncbi.nlm.nih.gov · ref 8522106
  2. [2]
    DatabaseIngredient database — 706110-SODIUM_LAURYL_SULFATE
  3. [3]
    Peer-reviewedPubMed / NCBI — pubmed.ncbi.nlm.nih.gov · ref 10671979

Research disclaimer: Ratings reflect peer-reviewed research and regulatory assessments available at the time of publication, not the dose or formulation of any specific toothpaste product. This is not medical advice.