TEOSYAL RHA4 LIDO is viscoelastic hyaluronic acid which adapts to dynamic face area. While smiling, discussion, yawning, blinking the skin in those areas is particularly exposed to wrinkles. The product contains lidocaine. The product is used for restoring skin volume, face oval modelling; it is perfect for the area where the face movement are most frequent, e.g. cheeks, temples, chin. TEOSYAL RHA4 LIDO is superficial wrinkles filler in face, neck and décolleté area. RHA acid is the first viscoelastic hyaluronic acid intended for dynamic face area. Thanks to combination of both cross-linked and non-cross linked hyaluronic acid, TEOSYAL RHA4 LIDO is dynamic and does not get deformed during movements. TEOSYAL RHA3 LIDO easily adapts to stretching and pressure and maintains its characteristics.