Skin biomodulators (often called biostimulators) are injectable substances designed to trigger your body’s natural regenerative processes rather than just filling lines. They stimulate the growth of collagen and elastin to rebuild the skin’s structural foundation over time. Biomodulators work by introducing biocompatible, synthetic particles into the deeper layers of the skin or subcutaneous fat. Use active ingredients (like Poly-L-lactic acid or Calcium Hydroxylapatite) to rebuild the skin’s supportive structure, offering gradual, long-lasting improvement.