Restylane L- is an injectable hyaluronic acid dermal filler containing lidocaine for improved comfort, used to smooth moderate-to-severe facial wrinkles, folds (nasolabial folds), and enhance lips. t typically costs around $750 per syringe, with results lating 6-12 months. Common side effects include temporary swelling, bruising, and tenderness. Key Aspects of Restylane-L Composition: A clear, biodegradable gel filler made of hyaluronic acid (a natural substance in the skin) and lidocaine. Benefits & Uses: Wrinkle Correction: Fills in smile lines (nasolabial folds) and marionette lines. Lip Enhancement: Used for lip shaping and fullness. Volume Restoration: Used for under-eye hollows and facial contouring. Results Duration: Typically lasts 6–9 months in the lower face and up to 12 months in the tear troughs (under-eye area). Side Effects: Common risks include swelling, redness, bruising, tenderness, and itching, which usually resolve within 2–3 days. Procedure: A fast, non-surgical treatment where a provider injects the gel, sometimes using a cannula or needle. Results are visible immediately.