Ingredient

Dilauryl Thiodipropionate

Neutral in 1

What is Dilauryl Thiodipropionate?

Dilauryl Thiodipropionate is an ester of thiopropionic acid, often used as an antioxidant in various products. It is created through a chemical reaction involving lauryl alcohol and thiodipropionic acid.

This ingredient is primarily used as a stabilizer to prevent oxidation in products, especially in fragrances where it helps extend shelf life by protecting against degradation. The health evidence is limited, with no strong indicators of harmful effects at typical use levels.

When you see Dilauryl Thiodipropionate on a label, it is often serving to maintain the integrity and longevity of the product, making it a functional but largely neutral component.

Commonly found in: Fragrances, Cosmetics, Skincare Products

Benefits

  • Serves as an antioxidant, helping to maintain product stability and longevity.
FDA

Dilauryl Thiodipropionate is permitted for use in products without specific restrictions or warnings.

Research

While research is limited, the current peer-reviewed literature suggests it is generally safe at standard use levels.

Vegan

Dilauryl Thiodipropionate is synthesized chemically and not derived from animal products, aligning with vegan principles.

Sources: Food Additive Status List · Toxicological review of Thiodipropionic acid esters

Scout's take

Secondary antioxidant with a benign safety profile; works alongside tocopherol to slow oxidation of the citrus terpenes.

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