Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
H302 Harmful if swallowed; H312 Harmful in contact with skin; H315 Causes skin irritation; H318 Causes serious eye damage; H335 May cause respiratory irritation. Known barrier-disrupting surfactant — avoid leave-on products at high concentrations
Frequently Asked Questions
Is Potassium Lauryl Sulfate safe in cosmetics?
H302 Harmful if swallowed; H312 Harmful in contact with skin; H315 Causes skin irritation; H318 Causes serious eye damage; H335 May cause respiratory irritation. Known barrier-disrupting surfactant — avoid leave-on products at high concentrations The EU classifies Potassium Lauryl Sulfate as "permitted". Safety rating: MODERATE.
Is Potassium Lauryl Sulfate allowed in the EU?
Potassium Lauryl Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Potassium Lauryl Sulfate do in cosmetics?
Potassium Lauryl Sulfate functions as: Emulsifier; Surfactant – Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 4706-78-9.
What is the Margin of Safety for Potassium Lauryl Sulfate?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Potassium Lauryl Sulfate compliance across multiple jurisdictions:
Related Ingredients
Is Potassium Lauryl Sulfate in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Potassium Lauryl Sulfate in your formulation.