A syringe assembly for administration of a neurotoxin, the syringe assembly comprising: a syringe comprising: a clear syringe barrel with dosage markings completely encircling the clear syringe barrel； and a plunger having a plunger body and a clear inverted plunger tip； and a needle assembly comprising a needle and a sealing hub for removably attaching the needle assembly to the syringe, wherein the needle is approximately 0.15 inches to approximately 0.3 inches in length and has a gauge of approximately 27 gauge to approximately 35 gauge.
