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Se

Sea Kelp Extract

Laminaria Digitata Extract · Laminaria Saccharina ExtractHydrator

Seaweed sugars that hold water on skin. A helpful supporting moisturizer; the 'detoxifying' talk is marketing.

What it does

Kelp adds seaweed sugars that pull in water and form a light film on skin, plus trace minerals. It’s common in ocean-themed skincare and helps with hydration; the 'detoxifying' claim is marketing, not a measured effect.

The evidence, graded

strongOne application of a ceramide cream lowered water loss through the skin, measured from two hours and held to 24 hours, and raised skin hydration over the same day. Hyaluronic acid creams improved skin hydration and elasticity when measured at 30 and 60 days. Neither source Drop has read measured how long barrier repair takes, so Drop sets no barrier-repair window.Pavicic 2011 · Journal of Drugs in Dermatology ↗

Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.

Also known as

laminaria digitata

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