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CHITOSAN GLUTATHIONAMIDE.

Valuable / FILM FORMING, SKIN CONDITIONING, SKIN PROTECTING

A sophisticated biotechnological conjugate that fuses the structural film-forming capabilities of chitosan with the high-potency antioxidant properties of glutathione. This cationic biopolymer creates a breathable shield on the skin surface that simultaneously neutralizes environmental stressors and brightens the complexion.

Antioxidant Film-forming Skin-conditioning Skin-protecting Chelating agent

Science

Functions through a multi-modal pathway: it acts as a transition metal chelator to trap heavy metal ions (such as nickel, chromium, and cobalt) on the skin's surface before they can penetrate and trigger allergic responses. Simultaneously, it inhibits tyrosinase activity to regulate melanin production while scavenging reactive oxygen species to mitigate oxidative damage.


Research

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Demonstrated significant protective efficacy against nickel allergy symptoms by isolating metal ions at the stratum corneum level (Institute of Biochemistry and Biophysics, Polish Academy of Sciences).
  2. 02 Observed potent antioxidant and brightening activity, significantly reducing surface dullness and improving overall skin radiance (Numbuzin No. 5 Research).

Transparency

Not commonly dusted
Min. effective
0.1%
Red flag below
0.05%

As a specialized specialty active, this ingredient is often utilized in precise concentrations for metal-allergy protection or brightening; however, because the clinical threshold is not universally standardized in public literature, it is rarely 'dusted' in the traditional sense, but rather included in specific therapeutic or brightening formulations.


The Formula

Solubility
Water
Optimal pH 4.5 – 6
0 7 14

Stability

Maintains optimal stability in slightly acidic environments. Thiolated derivatives offer enhanced solubility at physiological pH compared to standard chitosan molecules.

Synergies

  • Vitamin C (Ascorbic Acid)
  • Niacinamide
  • Chelating agents

Conflicts

  • Anionic surfactants (e.g., Sodium Lauryl Sulfate)
  • Anionic polymers/thickeners (e.g., Carbomer), which may cause precipitation due to the ingredient's cationic nature

Safety

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

Recognized by the EU CosIng database for its film-forming and conditioning properties. It is specifically recommended for hypersensitive and allergy-prone skin types.


Your Skin

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

Our Assessment

Valuable

An exceptional multi-functional active for urban skin, providing a unique dual-action defense against heavy metal allergens and oxidative pigmentary changes.


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