Sodium lauryl sulfate

From WikiMD's Wellness Encyclopedia

Sodium lauryl sulfate (SLS), also known as sodium dodecyl sulfate (SDS), is an anionic surfactant commonly used in many cleaning and hygiene products. The sodium salt of lauryl sulfate, it is synthesized by esterification of sulfuric acid with dodecanol.

Chemistry[edit | edit source]

Sodium lauryl sulfate is an alkyl sulfate salt resulting from the sulfation of dodecanol. It has a role as a detergent and a protein denaturant. It contains a dodecyl sulfate.

Uses[edit | edit source]

Sodium lauryl sulfate is used in a range of household products such as cleaning agents, toothpastes and shampoos. In science, it is commonly used in biochemistry and molecular biology labs for denaturing proteins.

Health and environmental concerns[edit | edit source]

While SLS is a known irritant, the Scientific Committee on Consumer Safety has concluded that it is safe for use in cosmetic products. However, it is recommended to avoid products containing SLS if one has sensitive skin. There are also environmental concerns regarding the use of SLS due to its toxicity to aquatic organisms.

See also[edit | edit source]

Sodium lauryl sulfate Resources

Contributors: Prab R. Tumpati, MD