Thank you for your question. Only after a detailed consultation and evaluation of your particular skin and soft tissue pattern, can someone tell you what is the best product and the number of syringes needed to produce your aesthetic goals. The location of injection often determines how long it will last; the more an area animates (or moves) the faster it’s effect may wear off. Importantly, there is variability from person to person. The cost will vary depending on the product used and the surgeon chosen to administer the injections. For more information, be sure to find a trustworthy surgeon, with experience and impeccable credentials in your area. ---- *The responses reflect a response to a public post and should not be considered medical advice or treatment. Please seek advice from your local physician, and call 911 in the event of an emergency.