Sarcothalia Circumcincta (Red Seaweed)

Sarcothalia circumcincta extract is a red seaweed ingredient rich in marine polysaccharides, minerals, and trace compounds. It's used in gels and serums to form a soft film and improve slip, adding a hydrated feel with light antioxidant support.
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Ingredient Snapshot

Overview
Red seaweed extract hydrates skin for a plumper, smoother feel.
Category
Hydration, Skin Conditioning, Soothing, Antioxidant
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Supports a plumper, smoother feel by boosting surface hydration and comfort, and provides ancillary antioxidant support against everyday environmental stressors.

Uses In Skincare & Cosmetics

Used in hydrating serums, gel-cream moisturizers, sheet masks, and cooling after-sun gels to improve moisture care routines.

Comedogenic Rating

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

Safety

Generally low irritation risk; those with algae or marine sensitivities should patch test. Contains natural minerals/iodine in trace amounts, which rarely bother most users. No widely cited regulatory restrictions.

Is Sarcothalia Circumcincta (Red Seaweed) a Good Ingredient?

Good, because film-forming marine polysaccharides like this can improve surface hydration and slip, with supportive though limited human data for antioxidant benefits. It's usually gentle and suits most skin types, which is enough for Good.

Products with Sarcothalia Circumcincta (Red Seaweed)

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