Science
Mechanism of Action
Utilizing its inherent positive charge, it electrostatically anchors to the negatively charged proteins of the stratum corneum. This creates a semi-permeable film that prevents trans-epidermal water loss (TEWL) and physically blocks environmental pollutants while simultaneously disrupting microbial cell membranes for a natural antimicrobial effect.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 Formation of a water-resistant, non-transferable barrier that visibly smooths fine lines and protects against chemical stressors.
- 02 Significant enhancement in the deposition and retention of other active ingredients on the skin surface combined with prolonged humectancy.
Transparency
Dusting Analysis
Because it is highly effective at concentrations as low as 0.1% for film formation, it is rarely 'dusted' in the traditional sense; however, levels below 0.1% may fail to provide the promised barrier-reinforcement benefits.
The Formula
Formulation
Stability
Highly stable in aqueous systems and maintains solubility across a wider pH range than standard chitosan, though it excels in slightly acidic environments (pH 4.0–5.5).
Synergies
- Hyaluronic Acid
- Glycerin
- Cationic emulsifiers
Conflicts
- Anionic surfactants (SLS/SLES)
- Anionic thickeners (Carbomer, Xanthan Gum)
- Strongly alkaline environments
Safety
Safety Profile
Non-sensitizing and non-irritating at clinical levels. Note that this ingredient is derived from shellfish (chitin) and is not suitable for vegan formulations.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An exceptional film-former for barrier-compromised skin that excels at keeping moisture in and pollutants out while enhancing the efficacy of accompanying actives.
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