Wrinkles: Botulinum toxin or Hyaluronic Acid Fillers?

Wrinkles are a sign of ageing, and people always want to get rid of them. It is common to opt for aesthetic medicine to improve the situation, including botulinum toxin injections or fillers such as hyaluronic acid. So how should we decide how to treat wrinkles?


Taking forehead lines as an example, depending on the type of forehead wrinkles you have, it is advisable to know the cause of the wrinkles in advance, and in some cases, a combination of the two may be needed to eliminate them. 


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Static wrinkles V.S. Dynamic wrinkles
Static wrinkles V.S. Dynamic wrinkles

Generally speaking, forehead lines are divided into static wrinkles and dynamic wrinkles.


Static wrinkles

Static wrinkles are unavoidable in the ageing process of our skin. As people grow older, collagen is lost, dermis of the skin changes and loses elasticity, and the skin tissue on forehead is relatively thin. Fine lines are prone to appear and gradually deepen. In addition, long-term excessive exposure to the sun will accelerate skin oxidation, causing damage to collagen and elastic fibres in the deep layer of our skin, forming wrinkles and sagging skin. The above causes of forehead wrinkles are static wrinkles, which obvious horizontal wrinkles can be observed when your face is resting or relaxing.


Dynamic wrinkles

As for the dynamic forehead lines, its formation has a great relationship with facial expression muscles. When the expressive muscles contract, the skin between the muscles folds and forms wrinkles that are less noticeable when there is no facial expression. The forehead lines which are caused by raising the eyebrows and pulling the skin are dynamic wrinkles. After years of repeated facial expressions, dynamic wrinkles can cause local collagen loss, and then evolve into static wrinkles. For this type of wrinkles, you might need to use a combination of two treatment methods.

The Difference Between botulinum toxin injections and hyaluronic acid fillers
The Difference Between botulinum toxin injections and hyaluronic acid fillers

Hyaluronic acid fillers

Injection of fillers such as hyaluronic acid enhances the plumpness of the dermis, filling the depressions between skin folds helps smooth wrinkles, also helps moisturise the skin. This is more suitable for static wrinkles. Usually, the effect can be seen immediately after injection, and the maintenance time depends on the type of filler and personal, generally about 6 months to one year. 


Botulinum toxin injections

Botulinum toxin is a toxin that inhibits the secretion of neurotransmitters from nerve endings. After injection, it can relax forehead muscles, prevent muscles from tensing up, hence reduce muscle activity and limit muscle traction when doing facial expressions. This prevents dynamic wrinkle formation. Generally, results can be seen within 14 days of botulinum toxin treatment, and the effect lasts for about 6 months each time. The injection process is fast and takes as fast as a few minutes. 


Many people may misunderstand that wrinkles should be dealt with when they are more obvious. In fact, in recent years, more and more scholars believe that the treatment of dynamic wrinkles should be started when they are not yet developed as deep wrinkles, so as to reduce repeated wrinkles and slow down the formation of static lines. For some deep forehead wrinkles, it is recommended to inject hyaluronic acid fillers together with botulinum toxin to achieve better results: filling the depressions between the wrinkles and preventing muscle contraction from deepening the wrinkles, making the treatment more effective.


If you want to improve forehead wrinkles, you should consult a doctor to formulate a suitable method and injection dosage with natural effects, so as to avoid too aggressive dosage and lead to muscle weakness and "sagging eyelids".

Personal care to avoid wrinkles
Personal care to avoid wrinkles

In addition, a personal care routine can help prevent wrinkles formation and delay the signs of ageing:

  • Moisturise your skin frequently
  • When the sun is strong, you should use sunscreen products with SPF 30 or above before going out
  • Sufficient sleeping hours
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