The number of units of botox that is needed for the desired result varies by area. The muscles betwen the eyebrows are the procerus and the muscle above the innner eyebrow are the corrugators. In women this area needs 30 units. If 30 units is used in this area the forehead horizontal lines will need 10-15 units. To elevate the lateral brow it is 5 units per side. Other areas such as bunny lines on the upper nose need 15 units. The mouth area is sensitive so for horizontal lines on the mouth a total of 8 units is used. Crows feet can be accomplished with 10 units per side, and a slight tightening of the lower eyelids can use 2 units for each side. Lastly on the face, to raise the corner of the mouth 3 units in the depressor muuscle. if allthese areas are combined it could use as much as 100 units or a full botttle. typilccally prices are qouted per unit form 10 dollars per unit being a very low introductory price to typically 15 dollars per unit as an average price in the NYC area. Expect 5-10 days for botox to work in thicker muscles and never lie down for four hours after botox injections. Botox is often combined with a cosmetic dermal filler such as resylane, perlane. juverderm. Radiesse, Hylan, Cosmoderm, Cosmoplast, prevelle Solk, Evolence or sculptra. All these dissolve over a period of 3-12 months. only Artefill can last for 5 plus years. Botox is also used for pain management in difficult to treat migraines, but may only last 2 months. it can require large quantities of almost 200 units per session if you are injectinh the face, mouth, neck and upper back. The last use of botx is excessive sweating. this irequires 100 units to do both armpits for one year or less. This is the only indication that insurance may pay for with prior authorization.