Science
Mechanism of Action
Isosorbide Dicaprylate functions as a 'smart' hydrator and barrier architect through an 'inside-out' mechanism. It stimulates Aquaporin-3 (AQP3) to facilitate the efficient movement of water and glycerol into skin cells, ensuring optimal moisture balance within the epidermis. IDC also upregulates Tight Junctions and Desmosomes, crucial for cellular adhesion, and stimulates Epidermal Differentiating genes/proteins to normalize skin bioactivities. Furthermore, it enhances CD44, a hyaluronic acid binding receptor, and boosts ceramide synthase activity for essential ceramide production, directly contributing to a reduction in Transepidermal Water Loss (TEWL). It also modulates E-Cadherin, a marker of skin homeostasis, and exhibits anti-inflammatory properties, which can help alleviate itch.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 Demonstrated a threefold superior hydration effect compared to 2% glycerin lotions, highlighting its potent moisturizing capabilities.
- 02 Achieved a remarkable 133% improvement in severely dry skin conditions and a 35% improvement in moderately dry skin when combined with glycerin.
- 03 Showed a 125% improvement in hydration for dry skin and 35% for normal skin, validating its broad applicability.
- 04 Clinically reduced Transepidermal Water Loss (TEWL) by 15% in a 14-day study, signifying significant barrier function enhancement.
- 05 When formulated with 4% isosorbide disunflowerseedate and 0.1% colloidal oatmeal, it improved itch and severity of atopic dermatitis in adults, indicating anti-inflammatory benefits.
Transparency
Dusting Analysis
Isosorbide Dicaprylate delivers significant clinical benefits at concentrations as low as 2%, making it an effective ingredient without the need for excessively high percentages to achieve desired results.
The Formula
Formulation
Stability
Highly stable across a broad pH range of 4–8 and at elevated temperatures. It is readily miscible with various emollients and oils, simplifying formulation. Optimal performance, particularly for acidic formulations below pH 6.5, is observed when combined with glycerol.
Synergies
- Glycerol (enhances performance in acidic formulations)
Safety
Safety Profile
Isosorbide Dicaprylate boasts a high safety profile, being globally accepted, COSMOS and ECOCERT Natural approved, and REACH registered. It is well-tolerated and suitable for sensitive skin, with ECHA C&L Inventory reporting no GHS hazard criteria met in 100% of reports. Typical use levels range from 2-4%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Isosorbide Dicaprylate is a valuable, bio-inspired ingredient that precisely enhances skin hydration and fortifies the barrier function at a cellular level, suitable for all skin types due to its high efficacy and low irritation potential.
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