LINE BODY Safe & Easy 55 Hard Type is a cross-linked hyaluronic acid body filler in a 55 mL pre-filled syringe, formulated at 20 mg/mL. The Hard Type designation indicates a firmer mono-phasic gel consistency compared to the Soft Type variant, designed to deliver greater structural lifting and defined volumization in large body areas such as the breasts, hips, and buttocks. It is strictly for use by licensed medical professionals.

Both the Hard Type and Soft Type share the same 20 mg/mL HA concentration, patented stabilization technology, BDDE level, and 55 mL syringe format. The key difference is gel firmness: the Hard Type has a higher degree of cross-linking density, resulting in a firmer, more cohesive gel with stronger lifting force and structural support. The Soft Type has a more pliable, softer gel better suited to areas where a more natural, subtle result is preferred. Hard Type is generally chosen for significant volume correction and areas where firm projection is the aesthetic goal.

Results are expected to last up to 12 months. Duration varies between patients depending on individual metabolic rate, treatment area, volume injected, injection technique, and post-treatment care. The patented HA stabilization ensures slow, uniform decomposition over time. Touch-up sessions can be used to maintain results.

BDDE (1,4-butanediol diglycidyl ether) is the chemical cross-linking agent used to stabilize HA gels. Unlinked or residual BDDE is associated with an increased risk of adverse reactions. LINE BODY Safe & Easy 55 Hard Type confirms residual BDDE below 0.2 ppm, which is ten times lower than the FDA guideline threshold of 2 ppm. The patented cross-linking method is designed to ensure that virtually all BDDE participates in cross-linking, leaving minimal unlinked residue — supporting a safer biocompatibility profile.

The 55 mL pre-filled syringe format offers several practical advantages for clinical body filler procedures: it eliminates the need to draw product from a vial into a syringe, reducing procedural steps and contamination risk. The large single-syringe volume is well-suited to body augmentation procedures, which typically require significantly higher volumes than facial filler treatments. The syringe can be divided across multiple treatment areas within a single session as directed by the practitioner.

LINE BODY Safe & Easy 55 Hard Type must be administered exclusively by licensed medical professionals in a clinical setting. Self-administration is strictly prohibited and may result in serious adverse events including vascular occlusion, embolism, or necrosis. Contraindicated in patients with known hypersensitivity to hyaluronic acid or any product component. Injection into vascular structures is contraindicated. The treating practitioner is responsible for patient suitability assessment, injection depth, volume, and technique. Post-treatment: patients should avoid intense physical activity, heat exposure, and pressure on the treated area in the immediate post-procedure period.