2,5-DIHYDROXYBENZOIC ACID

Description: 2,5-DIHYDROXYBENZOIC ACID — SKIN CONDITIONING.

All Functions: SKIN CONDITIONING

Quick Facts:

• Category: emollient

Proven Benefits At A Glance:

• 2,5-dihydroxybenzoic acid (2,5-DHBA) is a compound elevated by green Mediterranean diet patterns
• Research shows it may help reduce fat accumulation in liver cells and mouse models of fatty liver disease
• A lab-engineered version (combined with gelatin) showed potential to slow tumor cell migration in cell studies
• It’s also used in scientific research as a matrix compound for analyzing lipids in tissue samples

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.

🧪 2,5-DIHYDROXYBENZOIC ACID

2,5-DIHYDROXYBENZOIC ACID

CAS Number: 490-79-9

Also Known As: —

Category: emollient

EC Number: 207-718-5

Korean Name: 2,5-다이하이드록시벤조익애씨드

Gentisic acid; 5-Hydroxysalicylic Acid

2,5-DIHYDROXYBENZOIC ACID is an emollient ingredient used in skincare formulations.

🌍 Regulatory Status

📊 Comedogenicity

📚 Research & Evidence

🔬 The Science

2,5-dihydroxybenzoic acid is a small organic molecule that has attracted research attention for potential metabolic and anti-inflammatory effects, though human studies remain limited. #1: In cell and animal models, 2,5-DHBA reduced the buildup of lipids in liver cells in a dose-dependent way (meaning higher doses had stronger effects), with the most detailed mechanism described in liver disease research (Nutrients, 2025). The proposed mechanism involves blocking a signaling pathway called the CCL2-CCR2 axis—essentially, the compound appears to interfere with inflammatory signals that promote fat storage in the liver. This research also noted that 2,5-DHBA lowered inflammation markers and immune cell infiltration in liver tissue of mice fed a high-fat diet (Nutrients, 2025).

#2: In laboratory experiments on cancer cell lines, a synthetic version of 2,5-DHBA attached to gelatin (a protein polymer) suppressed the migration and invasion of glioblastoma and fibrosarcoma cells, with effects comparable to the drug heparin (J Funct Biomater, 2020). This conjugate appeared to work by preventing a protein called heat shock protein 90 from helping tumor cells move. However, this work was conducted in isolated cell cultures, not in living organisms or human subjects. #3: Beyond skincare and metabolic applications, 2,5-DHBA serves a technical role in analytical chemistry as a matrix compound in mass spectrometry, helping scientists identify lipid composition in tissue samples (Anal Bioanal Chem, 2018)—this use is distinct from any direct health application.

Overall, the research base is heavily weighted toward liver metabolism and laboratory cancer cell models; human efficacy and safety data for skincare or oral supplementation are not addressed in these sources.

💧 Skin Type Compatibility

⚠️ Don’t Combine With

🧴 Products Containing 2,5-DIHYDROXYBENZOIC ACID

📄 Related Research

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

• Hsiang CY et al. (2025). 2,5-Dihydroxybenzoic Acid Ameliorates Metabolic Dysfunction-Associated Steatotic Liver Disease by Targeting the CCL2-CCR2 Axis to Reduce Lipid Accumulation. Nutrients.
• Snigireva AV et al. (2020). A 2,5-Dihydroxybenzoic Acid-Gelatin Conjugate Inhibits the Basal and Hsp90-Stimulated Migration and Invasion of Tumor Cells. J Funct Biomater.
• Schröter J et al. (2018). The combination of 2,5-dihydroxybenzoic acid and 2,5-dihydroxyacetophenone matrices for unequivocal assignment of phosphatidylethanolamine species in complex mixtures. Anal Bioanal Chem.