ACETYL GALACTOSAMINE

📋 Quick facts

Description: ACETYL GALACTOSAMINE — HUMECTANT, SKIN CONDITIONING.

All Functions: HUMECTANT, SKIN CONDITIONING

Quick Facts:

• Category: humectant

Proven Benefits At A Glance:

• Acetyl galactosamine (GalNAc) is a targeting molecule that helps deliver therapeutic compounds specifically to liver cells
• Research shows it can enhance the effectiveness of certain antisense oligonucleotides (ASOs)—drug-like molecules that alter gene expression—by 6- to 60-fold in mouse liver
• It works by binding to a receptor found on hepatocytes (liver cells), improving drug delivery to the right location
• After the compound reaches liver cells and is metabolized, the GalNAc component is released, allowing the active drug to work
• Current research focuses on therapeutic applications; it is not yet established as a skincare ingredient in published research

⚗️ Chemical Overview

N-acetylhexosamine is a N-acyl-hexosamine. N-acetylmannosamine is under investigation for the other of GNE Myopathy. N-Acetylmannosamine is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).

Source(s): ChEBI, DrugBank, E. coli Metabolome Database (ECMDB), via PubChem

📊 Comedogenicity

🛡️ Safety rating

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🌍 Regulatory Status

💧 Skin Type Compatibility

⚠️ Don’t Combine With

📚 Research & Evidence

🔬 The Science

Acetyl galactosamine, chemically known as triantennary N-acetyl galactosamine (GalNAc), is a sugar-based molecule that acts as a targeting ligand—essentially a biological address label. According to research published in Nucleic Acids Research (2014), it binds with high affinity to a specific receptor called the asialoglycoprotein receptor (ASGPR), which is preferentially expressed on hepatocytes (the main functional cells of the liver). This binding property makes it useful as a drug-delivery tool rather than a skincare active ingredient per se. #1: When conjugated to antisense oligonucleotides (ASOs)—synthetic molecules designed to suppress specific genes—GalNAc conjugation enhanced potency 6- to 10-fold in mouse liver tissue.

When combined with advanced ASO chemistry (S-cEt gapmer designs), the enhancement reached approximately 60-fold relative to older ASO formats (Nucleic Acids Res, 2014). #2: The mechanism involves hepatocyte-selective uptake: GalNAc binds the ASGPR receptor, which directs the conjugated ASO into liver cells preferentially over non-parenchymal cells (supporting cells in the liver). Once inside the hepatocyte, cellular metabolism cleaves the GalNAc from the ASO, liberating the active drug and allowing it to function. Notably, no metabolism of the GalNAc-ASO conjugate was detected in blood plasma, confirming the liver-targeting specificity (Nucleic Acids Res, 2014). #3: The research demonstrates proof-of-concept in transgenic mice for ASOs targeting apolipoprotein C-III and transthyretin (TTR), with potential clinical applications in metabolic and neurological disorders.

However, the published literature examined here focuses exclusively on therapeutic drug delivery to liver cells, not on topical skincare applications or dermal benefits. There is no evidence in these sources that acetyl galactosamine functions as a skincare ingredient.

📄 Related Research

Matched by search — not necessarily verified support for every statement above.

• Prakash TP et al. (2014). Targeted delivery of antisense oligonucleotides to hepatocytes using triantennary N-acetyl galactosamine improves potency 10-fold in mice. Nucleic Acids Res.

🧴 Products Containing ACETYL GALACTOSAMINE