PDLLA dual-helix structure for immediate dermal support and progressive type-I collagen induction lasting at least 18–24 months.

AestheFill® sprite needle is a newer form of poly-D,L-lactic acid (PDLLA), with a 1:1 L- and D-lactic dual-helix structure that provides immediate dermal support and space for growth, and can induce Type I collagen production in the skin in a long-acting, progressive way. Results can last at least 18–24 months. It mainly makes the skin naturally fuller, softer and more refined, restoring a youthful look. It can comprehensively lift areas including the forehead, temples, apple cheeks, tear troughs, cheeks and nasolabial folds. It is approved for sale by Korea’s KFDA, holds CE Mark certification, and has Hong Kong Department of Health listed medical device registration number HKMD NO. 210226.
It combines immediate support with long-term collagen induction.
At least about 18–24 months.
KFDA, CE Mark and Hong Kong DOH listing HKMD NO. 210226.
Forehead, temples, cheeks, tear troughs, midface and folds.