What is iodopropynyl butylcarbamate?

Iodopropynyl butylcarbamate is a preservative used in cosmetic products to prevent the growth of microorganisms like bacteria, yeasts, and molds, thereby extending product shelf life and ensuring product safety.

Is iodopropynyl butylcarbamate safe?

It is considered safe for use in cosmetics at regulated low concentrations. However, some individuals may experience skin sensitization, and its use is restricted in certain product types and concentrations due to potential for irritation.

Home › Ingredients › Iodopropynyl Butylcarbamate

Iodopropynyl Butylcarbamate

Iodopropynyl butylcarbamate (IPBC) is a preservative used in cosmetics and personal care products to prevent the growth of bacteria, yeasts, and molds. It is effective at very low concentrations, helping to maintain product integrity and safety. Its use is regulated due to potential for sensitization.

NonePreservativeVeganEvidence: High

BenefitNone 0 / 4

RiskHigh 2.5 / 4

Sensitization i2.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Systemic exposure i1 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

potential for skin sensitization
restricted use levels

See how this matches your skin

Find out exactly what you put onto your skin. Scan any product before you buy. Free and independent — no brand is paying us. Available on both on Android and Apple

QR code linking to the SpottyLabs app on Google Play

Products with Iodopropynyl Butylcarbamate

göt2b

Glued Styling Spiking Glue

3.2/ 52/13/9

Browse all products →

Frequently asked questions

What is iodopropynyl butylcarbamate?: Iodopropynyl butylcarbamate is a preservative used in cosmetic products to prevent the growth of microorganisms like bacteria, yeasts, and molds, thereby extending product shelf life and ensuring product safety.
Is iodopropynyl butylcarbamate safe?: It is considered safe for use in cosmetics at regulated low concentrations. However, some individuals may experience skin sensitization, and its use is restricted in certain product types and concentrations due to potential for irritation.