Hi-Body generally refers to injectable sodium hyaluronate complex solution. The hazards of injectable sodium hyaluronate complex solution for filling the tear trough include infection, local bulging and allergy. 1. Infection: If you do not operate properly during the process of filling the tear trough, or press or touch the wound after filling, local infection may occur, resulting in redness, swelling, stinging, itching and other phenomena of the skin. 2. Localized bulging: In the process of filling the tear trough, if the filler material is not injected evenly, or rubbing the face after injection, localized bulging may occur, resulting in uneven skin, and in severe cases, skin embolism may also occur. 3. Allergy: some people may have an allergic reaction to the injectable sodium hyaluronate complex solution, which may lead to localized pimples after filling the tear trough. Swelling. If you want to fill the tear trough, avoid going to small clinics to reduce the risk. To learn more about the dangers of filling the tear trough with sodium hyaluronate complex solution for injection, you can go to a regular hospital to consult about it.