Science
Mechanism of Action
Erythritol functions by attracting and retaining water, thereby boosting the skin's moisture content and reducing transepidermal water loss (TEWL). Its antioxidant properties contribute to protecting the skin from environmental stressors, supporting its youthful appearance. Additionally, it imparts a sensation of freshness and possesses calming effects, which can aid in minimizing skin irritation and redness.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Erythritol demonstrates excellent stability across a wide pH range, from 2 to 10. It is highly water-soluble, with a solubility of approximately 370 g/L at room temperature, which translates to 61% w/w at 25°C. Typical usage rates in skincare, usually 3-5%, do not generally encounter solubility issues and do not require heating the water phase. It exhibits good compatibility with a diverse array of other cosmetic ingredients.
Conflicts
- Not soluble in oil or alcohol.
- No specific chemical incompatibilities were identified, but general formulation considerations are advised to prevent potential issues such as phase separation, unexpected alterations in color, texture, or odor, or precipitation, especially if pH, solubility parameters, and delivery methods are not meticulously managed.
Safety
Safety Profile
Erythritol maintains an excellent safety profile for cosmetic application, supported by scientific data confirming its high tolerability and minimal adverse reactions in most individuals. It scores 1 on the EWG's Skin Deep scale, indicating a low potential for various health concerns. The FDA granted Erythritol 'Generally Recognized as Safe' (GRAS) status for food applications in 2001, a status which is broadly extended to its use in cosmetics. While a single, rare case of erythritol-induced anaphylaxis has been documented, it is generally not considered an allergen and has no known links to allergic reactions for the majority of users in topical applications. It is important to distinguish concerns related to dietary intake and cardiovascular risk from its established topical safety.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Erythritol is a valuable humectant and antioxidant that significantly boosts skin hydration and barrier function, offering broad compatibility and an excellent safety profile for all skin types.
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References
Sources