Specification: botox in 150iu Duration: in 3-6 months; Storage: cold storage; 100% no overcorrection. Botox is a non-surgical cosmetic treatment for moderate to severe frown lines. It is typically used in people aged 18 to 65. Botox works by blocking nerve transmission to temporarily reduce the contractions of the facial muscles that cause frown lines. It has been proven to be a safe and effective treatment for wrinkles, and botox injections are becoming increasingly popular.