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2025.09.07
Achieve a slimmer face with submandibular Botox. Combined with jawline Botox treatment.
As an Assistant Professor, Associate Ward Director, and Chief of Dermatopathology at the university hospital dermatology department, I deepened my expertise through academic presentations and paper publications both domestically and internationally. I have handled a wide range of treatments, from birthmark therapy in children to adult pigmentation concerns, utilizing various lasers and injection therapies, while also contributing to community healthcare. Through encountering numerous cases, I strongly felt the potential and necessity of aesthetic medicine, resolving to pursue further expertise. Building upon my solid dermatological knowledge and meticulous diagnostic skills, I value treatments that gently support each individual's skin while bringing out its inherent beauty.
Botox for the parotid glands also has a face-slimming effect!
Botox is often used to prevent wrinkles by relaxing facial muscles or to address severe teeth grinding. However, combining submandibular Botox with masseter Botox can create a slimming effect on the face.

I am Dr. Aya Hayama, a board-certified dermatologist.
What is Botox?
Have you ever heard of Botox or botulinum toxin?
Clostridium botulinum is an anaerobic bacterium (a bacterium that multiplies in the absence of air) widely found in soil, marshes, lakes, and similar environments.
To give a familiar example, the rule "Do not feed honey to infants under one year old" exists because honey may contain botulinum spores. These spores can germinate in an infant's immature gut, producing a protein called botulinum toxin (botulinum toxin), which can cause infant botulism. Incidentally, the intestines of children over one year old can metabolize it, so it poses no problem.
In other words, this botulinum toxin works by temporarily paralyzing muscle movement or suppressing the secretion of the neurotransmitter (acetylcholine) involved in muscle movement when injected at the junction between muscle and nerve, thereby relaxing muscle tension.
Reading this far, it might sound like a somewhat scary drug, but in neurology, it is used as an insurance-covered treatment to relieve muscle tension in conditions like seizures and cervical dystonia. It is a safe and established therapeutic drug that received approval from Japan's Ministry of Health, Labour and Welfare in 1996.
https://biancaclinic.jp/blog/42839/
Botox injections in cosmetic medicine
In cosmetic treatments, it's often used to improve and prevent expression lines. In aesthetic medicine, Botox injections are also employed to paralyze muscle movement or relax tension, thereby improving and preventing expression lines that deepen with age. Injections into areas like the underarms can stop sweating, making it an essential treatment for some people during this season.
By injecting into the jawline, it helps prevent dental issues like teeth grinding while creating a slimming effect. Additionally, for those who want a more defined jawline, we recommend...Parotid Gland and Masseter Muscle Botoxis.
Not only the gills, but without cuttingParotid BotoxAdding this is one of the popular treatments for refining the facial contour.
What is parotid Botox?
Submandibular Botox is a procedure that involves injecting Botox into the salivary glands located below the ears.
Additionally, masseter Botox involves injecting the masseter muscle—part of the muscles used for chewing—to reduce muscle tension, naturally slimming the jawline.
Combining these two Botox treatments can help achieve a natural-looking slimming effect on the face.
Depending on age, it may appear unnatural, so we will adjust the Botox application to the masseter muscle in the appropriate area for each individual.
Recommended for those with prominent jawlines that make their faces appear larger, those who wish to achieve a more defined facial contour, and those who want a smaller face without realizing it.