Iodpropynyl Butylcarbamate

TL;DR. This ingredient is a preservative used mainly for antifungal protection in water-containing formulas. It helps control yeast and mold and is often paired with other preservatives for broader bacterial coverage.

What does Iodpropynyl Butylcarbamate do in a cosmetic formula?

This ingredient is a preservative used mainly for antifungal protection in water-containing formulas. It helps control yeast and mold and is often paired with other preservatives for broader bacterial coverage.

Is Iodpropynyl Butylcarbamate clean?

This ingredient has clean-beauty friction because of sensitization potential and tight use limits, especially in leave-on products. Many retailer standards restrict or exclude it due to its allergen profile and halogenated chemistry.

Is Iodpropynyl Butylcarbamate sustainable?

This material is synthetic and not a renewable-feedstock ingredient. It is used at very low levels, but its halogenated structure and aquatic-life concerns give it a weaker environmental profile than simpler biodegradable preservatives.

Is Iodpropynyl Butylcarbamate COSMOS-approved?

It is not permitted under COSMOS-natural or COSMOS-organic standards. From a Green Chemistry perspective, it has drawbacks because it is synthetic, halogenated, and not aligned with renewable sourcing or preferred end-of-life biodegradability.

How does Iodpropynyl Butylcarbamate work chemically?

The molecule is an iodinated carbamate preservative with strong activity against fungi at very low concentrations. Regulatory limits are typically in the 0.01% to 0.02% range depending on product type, with extra restrictions for leave-on, lip, oral, infant, and aerosolized formats.

Last updated 2026-05-16