Sodium Polyaspartate
What Sodium Polyaspartate is & what it does
Sodium Polyaspartate is the sodium salt of polyaspartic acid, a biodegradable synthetic polymer of the amino acid aspartic acid. In a formula it is generally used as a chelating and conditioning agent that binds metal ions to help stabilize the product, and it is also marketed as a hydrating, film-forming humectant. It is valued as an eco-friendlier alternative to some traditional chelators. No specific concerns are flagged for it here.
What is Sodium Polyaspartate?
It is the sodium salt of polyaspartic acid, a biodegradable synthetic polymer built from the amino acid aspartic acid.
What does Sodium Polyaspartate do in a formula?
It is generally used as a chelating and conditioning agent that binds metal ions to help stabilize a product, and it is also marketed as a hydrating, film-forming humectant. It is valued as an eco-friendlier chelator.
Is Sodium Polyaspartate safe?
It is generally considered safe and is noted for being biodegradable, and no specific concerns are flagged for it in this catalog.
Sunscreens with Sodium Polyaspartate
We rate 3 sunscreens that contain it:
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Matsukiyo Kose Recipeo Moist UV Milk SPF 50+ /PA+++
78/100
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Clinique Moisture Surge SPF 25 Sheer Hydrator
65/100
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Clinique Moisture Surge SPF25 Sheer Hydrator
65/100