Cystoseira Tamariscifolia Extract

This extract of the brown alga Cystoseira tamariscifolia is used in cosmetic skincare. It's included for antioxidant support, a calming sensation, and general conditioning, though published human evidence remains limited.
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Ingredient Snapshot

Overview
Brown algae extract that calms redness and offers antioxidants.
Category
Antioxidant, Soothing, Skin Conditioning
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Reduces the look of redness and daily environmental stress for a calmer complexion. Research is preliminary, so results may vary.

Uses In Skincare & Cosmetics

Used in serums, light gels, and moisturizers aimed at soothing sensitivity and supporting skin exposed to urban pollutants or sun.

Comedogenic Rating

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

Safety

Generally considered safe in leave-on formulas at typical levels. Those with sensitivities to seaweed or marine botanicals may experience redness or itch; patch testing is prudent. No specific regulatory limits are widely established for this extract in cosmetics.

Is Cystoseira Tamariscifolia Extract a Good Ingredient?

Rated Fair because current human data are sparse; it may offer antioxidant and calming support, but benefits haven’t been consistently confirmed. Botanical/marine extracts can vary batch-to-batch and may pose irritation or allergy risks for sensitive users.

Products with Cystoseira Tamariscifolia Extract

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