Sosum Hard — Highest-Density LTSR HA Filler for Structural Sculpting (2 x 1ml)

Sosum Hard is JSBIO’s structural-grade variant — 20 mg/mL cross-linked HA via patented LTSR technology with the most pronounced cross-linking density in the Sosum range. Lidocaine-free formulation. Engineered for deep subcutaneous and supraperiosteal placement: chin projection, jawline angle definition, structural facial sculpting. 12-18 months durability with minimal migration.

Sosum Hard Highest Density Dermal Filler is manufactured by JSBIO Co. Ltd., a South Korea-based medical device and pharmaceutical company established in 2013. The product is part of the Sosum dermal filler range, which is distributed across multiple international markets. Regulatory status: MFDS approval 2013 · CE certified · GMP.

Sosum Hard Highest Density Dermal Filler contains 20 mg/mL of cross-linked hyaluronic acid plus 0.3% (3 mg/mL) premixed lidocaine for injection comfort. The hyaluronic acid is non-animal, produced by bacterial fermentation and cross-linked using JSBIO Co. Ltd.’s Low-Temperature Stabilization Reaction Technology technology. Phosphate-buffered saline at near-physiological pH carries the gel.

Per JSBIO Co. Ltd.’s clinical data, Sosum Hard Highest Density Dermal Filler delivers 12-18 months of correction depending on placement and patient factors. Duration depends on injection depth, dose, anatomical site, patient metabolism, and facial movement intensity. Deep subcutaneous placement typically delivers the longer end of the duration range.

Sosum Hard Highest Density Dermal Filler is engineered for deep subcutaneous · supraperiosteal placement. The standard recommended needle is 25G, supplied in the syringe blister pack. Some practitioners prefer a blunt-tip cannula of equivalent gauge for safer placement in highly vascular zones, particularly for deeper subcutaneous work.

Sosum Hard Highest Density Dermal Filler regulatory status: MFDS approval 2013 · CE certified · GMP. The product’s KFDA registration in South Korea is the primary regulatory baseline. CE marking and other international approvals enable distribution in the EU and other regulated markets. US FDA status varies — buyers in regulated jurisdictions should verify approval scope before importation and clinical use.

Store Sosum Hard Highest Density Dermal Filler between 2 °C and 25 °C in original packaging, away from direct sunlight. Do not freeze — freezing damages the HA gel structure. Shelf life is typically 24 months from the manufacturing date printed on the box when unopened. Once a syringe is opened, contents must be used immediately. Partial syringes cannot be retained for later use due to sterility risk.

No. Sosum Hard Highest Density Dermal Filler uses non-animal hyaluronic acid produced by bacterial fermentation — the standard manufacturing approach for modern HA dermal fillers. The product contains no animal proteins or by-products, making it suitable for patients who avoid animal-derived medical products. The product is contraindicated in patients with severe allergies to gram-positive bacterial proteins (used in HA fermentation).

Yes — layered protocols combining different fillers are standard aesthetic practice. Sosum Hard Highest Density Dermal Filler can be combined with other Korean or international HA fillers, neuromodulators (botulinum toxin), or biostimulators (PLLA, calcium hydroxylapatite) within a single session. Always wait the recommended interval between different injectable products and confirm biocompatibility per each manufacturer’s IFU.

Both are deep-contouring Sosum variants with 20 mg/mL HA via LTSR cross-linking, lidocaine-free. They differ in cross-linking density and intended placement layer. Sosum H is positioned for deep dermal-to-subcutaneous placement (jawline, cheek augmentation, liquid rhinoplasty, deep folds). Sosum Hard has the most pronounced cross-linking — positioned for deep subcutaneous and supraperiosteal placement (chin projection, mandibular angle, structural sculpting). Practitioners select H for combined deep-dermal-and-subcutaneous protocols; Hard for the deepest, most structural placements.