Snapshot
- Overview
- A preservative used at low levels to keep formulas fresh.
- Category
- Preservative
- Type
- Preservative
Iodopropynyl Butylcarbamate
Iodopropynyl butylcarbamate is a synthetic preservative used in cosmetics and personal care formulas, often at very low levels. It's chosen to maintain product freshness by inhibiting microbial growth during storage and daily use.
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Our take
Is Iodopropynyl Butylcarbamate a Good Ingredient?
Rated Good as an effective broad-spectrum preservative at very low levels, supporting formula integrity without much impact on texture or scent. It falls short of Great because of a known, though infrequent, risk of irritation or sensitization in leave-on products and near the eyes.
What it does
Skin Benefits
Helps protect formulas from contamination and spoilage over time, supporting product reliability between openings. Effective at very low concentrations, which can minimize impact on texture and scent.
Where you'll find it
Uses in Skincare & Cosmetics
Common in water-based products like moisturizers, shampoos, and liquid makeup to maintain stability. Also used in wipes and cleansers where frequent exposure to air and moisture occurs.
Before you use it
Safety
Generally considered safe at permitted concentrations; some individuals may experience irritation or allergic contact dermatitis, especially with leave-on products or around the eye area. Usage is subject to concentration limits in several regions. Patch testing is prudent for sensitive skin.
Products with Iodopropynyl Butylcarbamate
