Macrocystis Pyrifera (Kelp) Extract

Macrocystis pyrifera (kelp) extract is a marine-derived botanical obtained from giant kelp biomass and its soluble fractions. Toners, gels, and masks include it for a refreshed feel and texture, though evidence for specific effects is limited.
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Ingredient Snapshot

Overview
A kelp extract that hydrates and refreshes the look of skin.
Category
Skin Conditioning, Hydration, Soothing
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Provides a hydrated, revived look and may help soothe temporary tightness, contributing to a smoother-feeling surface during wear, though solid data for specific outcomes are limited.

Uses In Skincare & Cosmetics

Included in serums, essences, and moisturizers to add a light, water-binding layer to routines.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Usually tolerated, yet variability in seaweed extracts means some users may experience mild irritation or sensitivity. Those reactive to marine or iodine-containing ingredients should patch test first.

Is Macrocystis Pyrifera (Kelp) Extract a Good Ingredient?

It offers a hydrating feel and potential soothing, but cosmetic evidence for distinct outcomes is limited and composition varies by source, which keeps it at Fair. There's a small risk of irritation for sensitive skin with marine botanicals.

Products with Macrocystis Pyrifera (Kelp) Extract

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