Research Article
In Vitro Biocompatibility Evaluation of Nine Dermal Fillers on L929 Cell Line
Table 1
Characteristics of the nine HA fillers used.
| Samples | Description |
| Filler 1 | Stabilized hyaluronic acid 20 mg/ml, nonanimal origin, pH 6–7.5 biphasic | Filler 2 | Cross-linked hyaluronic acid 20 mg/ml with lidocaine hydrochloride 3 mg/ml, biphasic | Filler 3 | Hyaluronic biorevitalizing gel, medium-chain hyaluronic acid 20 mg/ml in a physiologic buffer, produced from Streptococcus equi bacteria | Filler 4 | Hyaluronic acid 20 mg/ml-sodium chloride 16 mg/ml, from bacterial biofermentation, BDDE cross-linking agent, monophasic | Filler 5 | Reticulated hyaluronic acid 25 mg/ml with lidocaine hydrochloride 3 mg/ml, animal origin, pH 7.2 | Filler 6 | Reticulated hyaluronic acid 24 mg/ml in physiological buffered saline, from biotechnological fermentation, low BDDE content, monophasic | Filler 7 | Auto cross-linked hyaluronic acid–sodium chloride 18 mg/ml | Filler 8 | Hyaluronic acid 2 mg and cross-linked HA 20 mg-sodium chloride 6.9 mg, nonanimal origin, endotoxin- and BDDE-free | Filler 9 | Cross-linked hyaluronic acid 20 mg/ml-lidocaine hydrochloride 3 mg/ml pH 7, biphasic |
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