Sodium Caproyl/Lauroyl Lactylate
Sodium caproyl/lauroyl lactylate
- Role
- A surfactant based on lactic acid and fatty acids.
- Catalog formulas
- 4
- Type
- Texture
- Verified
- 06.11.2026
What does this ingredient do in an antiperspirant?
It is the sodium salt of a lactylate, an ester of lactic acid with capric and lauric acids. According to CosIng, it works as an emulsifying and cleansing surfactant and as an antimicrobial and anti-seborrheic ingredient.
Part of a system, not a label in isolation
In roll-ons it helps combine the water and oil phases, and in foot powders it appears alongside other deodorant ingredients. It does not reduce sweating.
In 2024 the CIR reviewed a group of alkanoyl lactyl lactate salts, the surfactant class it belongs to, and found them safe in the present practices of use and concentration when formulated to be non-irritating and non-sensitizing.
Like other surfactants, it can irritate sensitive skin, which is why the CIR conclusion is conditional on a non-irritating formula.
It is not the same as Sodium Lauryl Sulfate: both are surfactants, but from different chemical classes. Nor is it lactic acid.
Products containing Sodium Caproyl/Lauroyl Lactylate
Links are based on the complete published INCI list for the exact product version.
Sources
The conclusions apply to the stated conditions and jurisdictions, not automatically to every concentration or product.
- COSMILE Europe (CosIng data): Sodium Caproyl/Lauroyl Lactylate Supports: function, substance identity
- CIR: Safety Assessment of Alkanoyl Lactyl Lactate Salts (2024) Supports: safety assessment, conditions of use