Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle
Moumoujus

CALCIUM CHITOSAN.

Valuable CAS - / FILM FORMING, SKIN CONDITIONING

A high-performance cationic polyelectrolyte that fuses the regenerative power of marine-derived chitosan with stabilizing calcium ions. It forms a breathable, bio-adhesive shield on the skin surface to lock in moisture while accelerating structural repair and collagen synthesis.

Summary

Film forming Skin protecting Moisturizing Antimicrobial Collagen stimulating

Science

Mechanism of Action

Calcium Chitosan operates via a dual-action pathway: the chitosan matrix creates a non-occlusive film that prevents transepidermal water loss and physically shields against microbial invasion through its positive charge. Simultaneously, the integrated calcium ions regulate keratinocyte maturation, reinforcing the lipid barrier and promoting the architectural growth of collagen fibers within the dermal matrix.

Research

Clinical Evidence

High confidence
Effective range 0.1–2%
Optimal

0.5%

Key findings

  1. 01 Substantial increase in skin hydration and formula viscosity without inhibiting natural skin respiration (MDPI Polymers, 2022).
  2. 02 Peak antimicrobial performance against common pathogens alongside enhanced fibroblast activity and collagen fiber density (NIH PMC, 2023).
  3. 03 Establishment of a stable, protective surface film that effectively maintains tissue integrity and delays sample degradation (ResearchGate, 2025).

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.1%
Red flag below
0.05%

While functional as a film-former at concentrations as low as 0.1%, therapeutic levels for collagen support and antimicrobial efficacy require 0.5% to 1.0%. Formulas listing this ingredient at the very bottom of the deck likely utilize it for texture rather than biological skin repair.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 6.5
0 7 14

Stability

Highly pH-dependent; the ingredient remains soluble only in acidic environments (below pH 6.5) where amine groups are protonated. Precipitation occurs if the pH exceeds its pKa.

Synergies

  • Calcium ions
  • Lactic Acid
  • Non-ionic surfactants

Conflicts

  • Anionic polymers
  • Carbomer
  • Xanthan Gum
  • Sodium Hyaluronate
  • Anionic surfactants
  • High pH agents

Safety

Safety Profile

CIR Status
Safe as used
Pregnancy
Safe
Sensitization risk Low

Generally Recognized as Safe (GRAS). Despite its shellfish origins, the cosmetic grade is highly purified to remove allergenic proteins, making it safe for most users.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An exceptional multi-tasking agent for barrier restoration and antimicrobial protection, provided the formulation maintains an acidic pH to ensure stability.

Related

Similar Ingredients

Finding similar ingredients…