Calcium hydroxyapatite, poly-L-lactic acid, and polycaprolactone are used for beauty and anti-aging.
What are the differences? You can refer to the following content.
| Category | CaHA | PLLA | PCL |
| Applicable parts | Face, neck, abdomen, buttocks, legs, cellulite, stretch marks | Face ,buttocks | Face, hands |
| Not applicable areas | Injection on lips, tear troughs, between eyebrows and surface lines | Dynamic areas such as forehead wrinkles, frown lines, eyelids, crow's feet, oral junction, etc. | Lips, brow and eye socket area |
| Decomposition products | Calcium Phosphorus Inorganic | Lactic acid and water | Small molecule polycaprolactone |
| Adverse Reactions | Tenderness, swelling, bruising, subcutaneous nodules, granulomas | Hematoma, bruise, hemorrhage, rash, subcutaneous nodule, granuloma | Swelling, nodules, inflammation, infection, abrasion, hematoma, induration, granuloma |
| Advantage | Can be injected more superficially for skin regeneration and for treatment of larger areas | Has a good volume-enhancing effect with long-lasting effect | Has a good volume-enhancing effect with long-lasting effect |
| Defect | Lack of lasting effects | Will create an immediate volumetric look, immediate effect is not ideal | Lower melting point, lower molecular weight, and poorer strength |