Injectable cosmetic treatments can be expensive, so it is important to have an understanding of how they work and what results you will get. We answer five questions about this injectable treatment that not many people know the answers to.

1. How does Botox work?

Botulinum toxin type A is used in small doses to treat wrinkles on the forehead, around the eyes or on the neck by temporarily blocking nerve signals that cause muscles to contract. The results are smoother skin and fewer wrinkles for four to six months.

2. Can anybody get Botox injections?

No. Botox is approved for specific uses, such as severe underarm sweating or uncontrolled blinking and for smoothing out forehead wrinkles between the eyebrows that are caused by repeated muscle contractions.

3. How long does a Botox injection last?

The effects of a single treatment can last anywhere from three to six months, although some people find the effects wear off after three months. You may need to return every three months for a top-up treatment, depending on how your body reacts and responds to the drug.

4. Does Botox work for crow’s-feet?

Botox is not clinically proven to work for crow’s feet, but it has been shown to reduce muscle movement around the eyes. However, there are no published studies that have analyzed whether Botox reduces crow’s feet completely.

5. How long does a Botox injection last?

The effects of a single treatment can last anywhere from three to six months, although some people find the effects wear off after three months. You may need to return every three months for a top-up treatment, depending on how your body reacts and responds to the drug.