| Low-Molecular-Weight Oligo Hyaluronic Acid | 1–10 kDa | ≥95% hyaluronic acid, dry basis | White to off-white powder | Skin-care serums, moisturizers, barrier-support formulations, research use | US$180–650/kg | 1–5 kg | Certificate of analysis, molecular-weight report, microbial limits, heavy-metal test |
| Ultra-Low-Molecular-Weight Oligo Hyaluronic Acid | Below 1 kDa | ≥90–95% hyaluronic acid, dry basis | Powder or aqueous solution | Specialized cosmetic research, topical formulations, laboratory studies | US$300–1,200/kg | 0.5–2 kg | Molecular-distribution profile, endotoxin statement where applicable, residual-solvent data |
| Medium-Molecular-Weight Hyaluronic Acid | 10–500 kDa | ≥95% hyaluronic acid, dry basis | Powder or granules | Hydrating creams, masks, lotions, ophthalmic and biomaterial research | US$90–350/kg | 5–10 kg | Certificate of analysis, viscosity specification, microbial testing, allergen statement |
| High-Molecular-Weight Hyaluronic Acid | 800–2,000 kDa | ≥95% hyaluronic acid, dry basis | White powder | Film-forming cosmetics, moisturizers, ophthalmic research, tissue-engineering studies | US$70–280/kg | 5–10 kg | Molecular-weight and viscosity data, protein content, microbial limits, heavy-metal test |
| Cosmetic-Grade Oligo Hyaluronic Acid | Usually 1–300 kDa | ≥95% hyaluronic acid, dry basis | Powder or premixed solution | Essences, creams, gels, sheet masks, hair-care products | US$100–500/kg | 1–10 kg | INCI description, safety data sheet, certificate of analysis, microbial and preservative data |
| Pharmaceutical or Medical-Research Grade | Product-specific; commonly 10–1,500 kDa | Typically ≥95%; higher specifications may apply | Sterile or non-sterile powder; validated solution | Drug-delivery research, wound-care materials, ophthalmic research, injectable-device development | US$250–1,500/kg | 1–5 kg | Endotoxin, sterility or bioburden, residual solvents, elemental impurities, GMP-related documentation |
| Fermentation-Derived Oligo Hyaluronic Acid | Supplier-defined; commonly 1–500 kDa | ≥95% hyaluronic acid, dry basis | Powder or concentrated aqueous solution | Vegan cosmetics, personal care, biomaterials and formulation development | US$100–600/kg | 5–25 kg | Fermentation-origin statement, non-animal-origin declaration, purity, microbial and residual-protein data |