Sodium Polyaspartate
Sodium Polyaspartate is a synthetic polymer known for its excellent water-binding capabilities. In skincare, it acts as a humectant, drawing moisture from the environment into the skin to enhance hydration. It can also help improve the texture and feel of cosmetic formulations.
NonePolymerVeganEvidence: Medium
BenefitGood 2.8 / 4
Hydration i3.2 / 4
Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.
Texture i1 / 4
Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
- Intense hydration
- Moisture retention
- Improves skin texture
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Products with Sodium Polyaspartate
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Frequently asked questions
- What is Sodium Polyaspartate?
- Sodium Polyaspartate is a synthetic polymer that is highly effective at attracting and holding onto water molecules.
- How does Sodium Polyaspartate benefit the skin?
- It functions as a powerful humectant, helping to keep the skin hydrated by drawing moisture from the air and reducing transepidermal water loss.