Po
Potassium Alginate
Potassium Alginate
A seaweed-based thickener that also helps oil and water stay mixed.
What it does
It’s the potassium salt of alginic acid, which comes from brown seaweed. Sodium alginate (algin) is a close relative.
The evidence, graded
expert consensusUS safety reviewers (2015) assessed 106 polysaccharide gums and starches, which products use to thicken. They judged 105 safe as used, agar, potassium, calcium and propylene glycol alginate and sodium carrageenan included; for hydrolyzed carrageenan they had too little data. They were concerned about chemicals used to modify some of them and asked makers to limit impurities.Johnson 2015 · Cosmetic Ingredient Review ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
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