SOSUM is a hyaluronic acid filler brand that JSBIO and is divided into 5 sub-brands including SOSUM S, SOSUM M, SOSUM H, and SOSUM SOFT, SOSUM HARD. Each of the sub-brands is optimized for their respective applications. SOSUM received approval by MFDS in 2013 and has become a global brand through registration of approval in more than 10 countries in the world with export in progress. SOSUM had undergone a reaction under the condition of minimization of the distance between the hyaluronic acid molecules by applying the Low-Temperature Stabilization Reaction (LTSR) process that Cha Meditech developed independently.


Sosum is a stabilized hyaluronic acid- (HA)-based filler with a high cross-linking rate. Sosum fillers have outstanding density, viscosity, and elasticity. The reaction of HA cross-linking is held under low temperatures, which allows obtaining dense and finely packed HA gel structure. Two-step purification of HA after the cross-linking reaction minimizes the level of residual BDDE. A high cross-linking rate ensures longer effect duration due to enhanced resistance of HA to degradation. Zero residual BDDE and low endotoxin levels minimize allergic reactions and other side effects after the procedure. Low injection force of the HA gel guarantees uniform and painless distribution of the filler during the injection.

  • the series contains 3 products varying in the HA gel grain size depending on the scope of use
  • no allergic reactions and other side effects due to the zero level of residual BDDE
  • non-animal-derived HA
  • proven safety (toxicity tests)
  • proven effectiveness (based on the survey on the 8th and 24th weeks after the injection procedure)
  • finely-divided gel structure makes the procedure painless and reduces the risk of post-injection edema and bruises
  • the high rate of HA cross-linking and dense gel structure minimizes the risk of lump formation
  • the long-lasting esthetic effect due to the high viscosity of the gel

Sosum is ideal for filling superficial wrinkles and fine lines. The filler is injected into the upper (superficial) dermis.

Scope of Sosum:
  • forehead and glabellar lines
  • fine perioral lines
  • periorbital area (crown’s feet)


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