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Emollient

Isostearyl Hydroxystearate

Often labeled as: Rich Emollient Ester

The highly protective, water-resistant ester.

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Overall Safety Safe
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Pregnancy Safety Safe
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Comedogenic (0-5) 2 / 5
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Irritancy (0-5) 0 / 5

๐Ÿ”ฌ How It Actually Works

A complex synthetic ester. It provides a rich, elegant, cushioning feel to the skin while acting as a highly effective, water-resistant protective barrier against extreme weather.

๐Ÿ’– Why your skin loves it

Locks in intense moisture, softens severe dry patches, and improves cream texture.

๐Ÿ’ก Pro Tip

Often used in premium winter barrier creams.

โš–๏ธ Myth vs. Fact

The Myth

Synthetic esters are toxic to the barrier.

The Science

They are highly purified lipids that integrate flawlessly into the stratum corneum.