Science
Mechanism of Action
This ingredient operates by forming a breathable, protective film on the skin's surface, which effectively locks in moisture and prevents epidermal dryness. As a potent humectant, it actively attracts and retains water within the skin. The presence of divalent magnesium ions not only enhances the molecule's structural stability but also contributes significantly to its anti-inflammatory properties and its capacity to positively influence epidermal proliferation and differentiation. This complex mechanism allows it to rebalance the skin's immune responses, soothe irritation, and bolster the skin's natural barrier functions.
Research
Clinical Evidence
Medium confidence0.1%
Key findings
- 01 In a double-blind, placebo-controlled investigation, a formulation containing 0.1% Ginkgo biloba extract and 0.5% carboxymethyl-β-1,3-glucan, applied twice daily over 2 weeks, demonstrated a significant capacity to inhibit the elicitation of allergic contact dermatitis in human subjects.
- 02 A published study on beta-glucan (the parent compound) at a 0.1% concentration, evaluated across 27 individuals, revealed a substantial reduction in wrinkle depth and height, alongside a notable improvement in skin roughness, after 8 weeks. Smaller molecular fractions of beta-glucan were observed to penetrate into the dermis.
Transparency
Dusting Analysis
Magnesium Carboxymethyl Beta-Glucan is recommended for inclusion in skincare formulations at percentages ranging from 0.02% to 0.1%. This active concentration range suggests it is intended for functional efficacy rather than inclusion for mere label claims.
The Formula
Formulation
Stability
The carboxymethylation process significantly enhances the solubility and functionality of beta-glucan. Furthermore, the incorporation of divalent magnesium ions imparts enhanced structural stability to this large molecular compound. While an optimal pH for general beta-glucan production is cited between 3 and 6.5, specific optimal pH parameters for the stability of Magnesium Carboxymethyl Beta-Glucan within cosmetic formulations are not explicitly detailed in the available data.
Safety
Safety Profile
Magnesium Carboxymethyl Beta-Glucan is generally recognized as safe for topical application in cosmetic products. Reported side effects and adverse reactions are uncommon, aligning with a low irritancy and comedogenicity profile. The EWG Skin Deep database rates common concerns such as allergies and immunotoxicity as 'LOW', though a patch test is always recommended prior to widespread use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Magnesium Carboxymethyl Beta-Glucan is a highly valuable ingredient, offering multi-faceted benefits for all skin types, particularly excelling in fortifying the skin barrier, providing deep hydration, and soothing irritated or compromised conditions.
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