{"id":28742,"date":"2025-07-14T20:21:12","date_gmt":"2025-07-14T18:21:12","guid":{"rendered":"https:\/\/drromanovaleria.ch\/?post_type=infographie&p=28742"},"modified":"2026-06-12T09:54:25","modified_gmt":"2026-06-12T07:54:25","slug":"efficacy-botulinum-toxin-frown-line","status":"publish","type":"infographie","link":"https:\/\/drromanovaleria.ch\/en\/infographie\/efficacite-toxine-botulique-ride-lion\/","title":{"rendered":"Les injections de toxine botulique sont-elles efficaces pour traiter la ride du lion ?"},"content":{"rendered":"

ARE BOTULINUM TOXIN INJECTIONS EFFECTIVE FOR TREATING THE FROWN LINE ?<\/h1>\n

A frown line \u2014 the single or double vertical crease between the eyebrows \u2014 is among the most common aesthetic concerns affecting the upper third of the face. It develops through repeated contractions of the corrugator and procerus muscles, activated daily by expressions of concentration, annoyance or stress. Over time, these small contractions gradually leave their mark on the skin, eventually creating a persistent crease visible even at rest.
To address this sometimes early sign of ageing, type A botulinum toxin injections have become the first-line treatment. Their growing popularity rests on a dual promise : rapid effectiveness, objectively visible within the first few days, and an excellent safety profile when performed by an experienced doctor.
An essential question remains : what can you really expect from this treatment ? What do clinical studies show, and what do patients report ? This text addresses these questions by combining scientific literature, medical expertise and practical observation.<\/p>\n

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The muscular origin of frown lines<\/h2>\n

Frown lines result from repeated muscular overactivity rather than age-related skin laxity. They are dynamic expression lines. They develop through regular contractions in the glabella \u2014 the area between the eyebrows \u2014 where powerful muscles draw the eyebrows inwards and downwards. These movements often express intense emotions : concentration, annoyance and stress.
Over time, repeated contractions leave their mark in the dermis, forming a lasting crease visible even at rest. This explains why creams or massages, whose action remains superficial, have only a limited effect : the cause lies deeper, in muscular dynamics.
Botulinum toxin directly addresses this mechanism. By temporarily inhibiting acetylcholine release at neuromuscular junctions, it blocks the action of the responsible muscles. This targeted relaxation allows the skin to relax progressively, clearly softening the wrinkle while preserving natural expression.<\/p>\n

Results : what can you expect after botulinum toxin injections ?<\/h2>\n

L\u2019efficacit\u00e9 de la toxine botulique dans la glabelle est consid\u00e9r\u00e9e comme tr\u00e8s \u00e9lev\u00e9e lorsqu’elle est inject\u00e9e avec pr\u00e9cision. Les patients rapportent une am\u00e9lioration visible dans les 3 \u00e0 7 jours suivant l\u2019injection, avec un effet maximal atteint autour de deux semaines.
Clinically, the effects include :<\/p>\n