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Hydrator / Humectant

Sodium Polyaspartate

Often labeled as: AquaKeep

The super-absorbent amino acid polymer.

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

๐Ÿ”ฌ How It Actually Works

A synthetic polymer derived from the amino acid aspartic acid. It can absorb hundreds of times its weight in water, creating a highly elastic, breathable moisture film.

๐Ÿ’– Why your skin loves it

Provides massive, continuous hydration and creates a silky, matte-like finish.

๐Ÿ’ก Pro Tip

Used to create modern "water-burst" cream textures.

โš–๏ธ Myth vs. Fact

The Myth

It is a suffocating plastic.

The Science

It is a fully biodegradable, skin-compatible amino acid polymer.