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Botox — expression lines, how it works, how long it lasts

One of the most thoroughly researched treatments in aesthetic medicine — answers to the questions you ask most often.

7 min read

Botox is botulinum toxin type A — one of the most thoroughly studied medicines in the history of medicine, in use for over 40 years. In aesthetic medicine, it blocks neuromuscular transmission and causes temporary muscle relaxation. The effect is fully reversible.

How does Botox work?

Botulinum toxin blocks the release of acetylcholine at the neuromuscular junction. The muscle stops contracting for several months, and the skin above it smooths out.

Aesthetic indications — where is Botox used?

Botox works well anywhere wrinkles form as a result of facial muscle movement — during smiling, frowning or squinting, for example.

  • Forehead lines — smoothing horizontal wrinkles
  • Frown lines (glabella) — vertical furrows between the brows (a single line or three lines)
  • Crow's feet — wrinkles at the corners of the eyes
  • Brow lift — a subtle lift of the brow arch
  • Bunny lines — wrinkles on the nose when smiling
  • Gummy smile — visible gums when smiling
  • Lip flip — an upward curl of the upper lip
  • Mouth corners (marionette lines) — lifting drooping corners
  • Venus rings — horizontal neck lines
  • Bruxism — jaw clenching, headaches, jawline contouring
  • Excessive sweating (hyperhidrosis) — underarms, hands, feet

When do results appear, and how long do they last?

  • First signs of effect — usually after 1–2 days
  • Full effect — visible around 7–14 days after the treatment
  • Optimal effect — often maintained for the first 3–4 months
  • Gradual return of muscle activity — around 4–6 months
  • Next session — usually after 6 months

Products — Botox, Azzalure, Bocouture

Several botulinum toxin type A products from different manufacturers are available on the market. They all work on the same principle — they differ in formulation and dosing.

  • Botox (onabotulinumtoxinA) — Allergan/AbbVie, the reference product
  • Azzalure (abobotulinumtoxinA) — Galderma, a slightly different dosing ratio to Botox
  • Bocouture (incobotulinumtoxinA) — Merz, a formula free of complexing proteins

Who performs Botox at J'ADORE?

Botox for bruxism

Bruxism is involuntary clenching and grinding of the teeth — often at night, often unconscious. Botox injected into the masseter muscle relaxes the forced clenching. This can reduce tooth wear as well as headaches and neck pain.

Botox for excessive sweating (hyperhidrosis)

Botulinum toxin blocks the sweat glands. It doesn't destroy them — it cuts off nerve stimulation. For many people, the effect is clearly noticeable and can last several months.

  • Underarms — the effect is often visible for many months
  • Hands — helpful for severe sweating that disrupts daily life
  • Feet — less common, but effective
  • Face (forehead) — used for pronounced forehead sweating

Frequently asked questions

Contraindications