Sodium Lauryl Sulfate
AKA “SODIUM SALT, FOR BIOCHEMISTRY, DODECYL SULFATE SODIUM SALT, LAURYL SULFATE SODIUM SALT, SDS
Synthetic
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Ingredient Facts
Sodium lauryl sulfate
AKA: SODIUM SALT, FOR BIOCHEMISTRY, DODECYL SULFATE SODIUM SALT, LAURYL SULFATE SODIUM SALT, SDS
Synthetic · Cleansing | Denaturant | Foaming | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 1
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Synthetic
Not Clean
A gentle cleanser derived from coconut that creates a rich lather to remove dirt and oil while helping other ingredients blend smoothly into the formula.
Formula
C12H25NaO4S
Mol. Weight
288.38
CAS #
151-21-3
Form
Powder
Plant-Derived
Synthetic. Derived from coconut or palm kernel oils, which contain lauric acid as a primary fatty acid. Synthesized through sulfonation of lauryl alcohol, followed by neutralization with sodium hydroxide.
Function
Cleansing | Denaturant | Foaming | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Removes Impurities
Makes Alcohol Undrinkable
Creates Lather
Cleansing Surfactant
Traditional Use
Sodium lauryl sulfate (SLS) was developed in the early 20th century as a synthetic surfactant. It became widely used in cosmetics and personal care products from the 1930s onward as a cleansing and foaming agent, replacing natural soap-based products.
Skin Types
all-skin-types, gentle
Best For
Target
General
Melanin-Rich Skin
Highly Suitable
Pregnancy Safe
Yes
EWG Score1
CIR Safety Findings
ewg-1, medical-approval, pregnancy-nursing-safe, all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR