Table 4. Products Containing Anesthetic Components (Lidocaine, etc.)

No	Product name	Principal component	Anesthetic	Anesthetic concentration	Administration method	Approval status
1	Sculptra (revised administration)*	PLLA†	Lidocaine	1 ㎖ optional addition during reconstitution	Optional mixing into reconstitution solvent	MFDS† approval (updated 2023)
2	RADIESSE + Lidocaine	CaHA†	Lidocaine 0.3%	Pre-mixed in product	Pre-mixed formulation	FDA†, CE† (domestic import approval)

Sculptra received an official update to its MFDS approval in May 2023, permitting the optional addition of 1 ㎖ lidocaine during reconstitution. This may serve as a basis for discussing the use of local anesthetics in liquid-type thread embedding acupuncture procedures.
PLLA, poly-L-lactic acid; CaHA, calcium hydroxyapatite; MFDS, Ministry of Food and Drug Safety; FDA, Food and Drug Administration; CE, Conformité Européenne.