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Cystoseira Compressa Extract

Cystoseira Compressa Extract is a marine-derived ingredient celebrated for its multi-functional benefits, primarily acting as a potent antioxidant and hydrating agent. This brown algae extract supports skin vitality by protecting against oxidative stress, enhancing moisture retention, and promoting cellular renewal, leading to a smoother, more radiant complexion.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

Antioxidant Skin-Conditioning Humectant Soothing Revitalizing Re-mineralizing Anti-inflammatory Antimicrobial Cell Renewal Promoter

Science

Mechanism of Action

This extract operates through several pathways to enhance skin health. Rich in compounds like meroditerpenoids, it exhibits significant antioxidant activity, effectively neutralizing free radicals that contribute to skin aging and damage, with studies showing over 80% DPPH inhibition. As a highly hygroscopic algae extract, it functions as a humectant, drawing and retaining moisture to improve skin hydration and suppleness. Furthermore, it possesses revitalizing and re-mineralizing properties, potentially stimulating microcirculation and accelerating cell turnover. Research indicates anti-inflammatory, antimicrobial (against certain pathogens like *S. aureus*), and anti-hyaluronidase effects, which collectively contribute to maintaining dermal thickness and protecting against environmental aggressors and infections.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The CIR Expert Panel concluded in 2018 that there was insufficient data to determine the safety of Cystoseira Compressa Extract under its intended conditions of use in cosmetic formulations, a status that remained unchanged in subsequent reviews. While generally considered safe for cosmetic use, good manufacturing practices are recommended to monitor and limit potential impurities, particularly arsenic, which can be found in brown algae ingredients.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Cystoseira Compressa Extract is a valuable multi-functional marine ingredient offering significant antioxidant, hydrating, and revitalizing benefits, suitable for all skin types despite the current 'insufficient data' status from CIR regarding full safety assessment.

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