MACROCYSTIS PYRIFERA is graded A (Safe) by Expert·ING, based on COSING regulatory data.
MACROCYSTIS PYRIFERA
Giant Kelp Extract
Safety grade: A
Giant kelp is a large brown seaweed that grows in ocean waters. It's harvested and processed into an extract that can be added to cosmetic formulas.
This ingredient thickens cosmetic products to achieve the desired consistency and texture, making them easier to apply and use.
Graded using: COSING.
Last verified: May 26, 2026
Other Viscosity Controlling ingredients
- GLYCERIN — Grade B
- SODIUM CHLORIDE — Grade A
- COCAMIDOPROPYL BETAINE — Grade A
- BENZYL ALCOHOL — Grade C**
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- CETEARYL ALCOHOL — Grade A
- DISODIUM EDTA — Grade C