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Moumoujus

ACETYL LACTOSAMINE.

Valuable CAS 32181-59-2 / ANTIMICROBIAL, BLEACHING, SKIN CONDITIONING

A precision disaccharide that mimics natural skin glycans, functioning as a dual-action ingredient that balances the skin microbiome while supporting barrier repair. This bioidentical sugar molecule competes with harmful bacteria for skin cell binding sites while simultaneously promoting keratinocyte migration and wound healing processes.

Summary

skin-conditioning humectant microbiome-modulating barrier-supporting

Science

Mechanism of Action

Functions as a competitive ligand that binds to galectins (particularly Galectin-1 and -7) to regulate cellular proliferation and migration, while simultaneously outcompeting pathogenic S. aureus bacteria for corneocyte binding sites, thereby reducing harmful colonization and inflammation

Research

Clinical Evidence

Medium confidence
Effective range 0.1–2%
Optimal

1%

Key findings

  1. 01 Demonstrates competitive inhibition of pathogenic bacterial adhesion when used synergistically with other N-acetylated sugars at 0.1-2% concentrations
  2. 02 Shows high-affinity binding to galectins that control keratinocyte behavior and wound repair mechanisms

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.05%
Red flag below
0.01%

As a specialized microbiome-modulating ingredient, concentrations below 0.05% are unlikely to provide meaningful competitive inhibition of bacterial adhesion

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 7.5
0 7 14

Stability

Highly hygroscopic with excellent thermal stability in aqueous solutions; vulnerable to glycosidic bond hydrolysis below pH 3

Synergies

  • N-acetylglucosamine
  • hyaluronic acid
  • ceramides

Conflicts

  • strong oxidizing agents
  • highly acidic ingredients

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
2%
Pregnancy
Safe
Sensitization risk Low

Component monomers (galactose and N-acetylglucosamine) have established safety profiles; FDA registered under UNII: 3Y5B2K5OOK

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A scientifically sophisticated ingredient that addresses both microbiome balance and barrier function, though requires proper concentration for efficacy.

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References

Sources