Porphyridium Cruentum Extract

Porphyridium Cruentum Extract is a cosmetic ingredient derived from red microalgae rich in sulfated polysaccharides and pigments. It's used in skincare to improve texture, support moisture-friendly formulas, and fit protection-focused routines.
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Ingredient Snapshot

Overview
Red microalgae extract that hydrates skin and fights free radicals.
Category
Hydration, Antioxidant, Skin Conditioning, Soothing, Barrier Support
Type
Botanical Extract

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Boosts surface hydration and helps defend against free-radical stress for a smoother, more supple feel. Can reduce the look of dullness linked to environmental exposure.

Uses In Skincare & Cosmetics

Included in hydrating serums, day moisturizers, and sunscreen gels to deliver a dewy finish and lasting comfort.

Comedogenic Rating

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

Safety

Typically well tolerated with a low likelihood of irritation; patch testing is sensible for very sensitive skin. Those with algae or marine ingredient sensitivities should use caution. No widely recognized regulatory restrictions for topical use.

Is Porphyridium Cruentum Extract a Good Ingredient?

Rated Good because its sulfated polysaccharides and pigments show antioxidant and moisture-retaining behavior in lab and formulation studies, with generally low irritation potential. Evidence in humans is modest but consistent enough to support skin-conditioning and hydration roles.