While traditional Hyaluronic Acid (HA) remains a staple, 2026 has seen a massive surge in "Biostimulatory Fillers" across South East Asia. Products like PLLA (Poly-L-Lactic Acid) and Calcium Hydroxylapatite (CaHA) are no longer just filling a gap; they are being used to "re-teach" the body to produce its own natural collagen. This "Regenerative" approach is highly appealing to the 2026 consumer...