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Signature Treatment

B'tx Square Jaw Reduction & Face Slimming

Non-Surgical face contouring for an oval almond shaped face

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What can this treatment possibly do?


The non-surgical Square Jaw Reduction & Face Slimming procedure is aimed to contour the lower face without open surgery. It helps give the face a slim look, and reduces the "square jaw" look.


Generally, triangular and heart-shaped faces are considered delicate, while faces with increased lower volume are seen as “rude” in many cultures.


Lower facial contour is determined by, amongst others, the masseter muscle – which is the muscle found at the edge of the jaw, the chewing muscle. One of the causes of a square face is the presence of a prominent and big masseter muscle.

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Dr Tiffiny Yang, Famous Aesthetics Doctor Singapore, FHM Model, Ms Singapore Universe, V shape face treatment, jaw reduction

What medical technology or device does this treatment utilise and how it is done?


This treatment involves the injection of B’tx at the jaw region for to reduce the size of the masseter jaw muscles, hence reducing the appearance of a square jaw, and giving the patient the appearance of a smaller jaw and slimmer face.


In short, B'tx injection to the masseter muscles  is effective in lower facial remodeling. The reduction of the jaw muscle leads to a smooth and slimmer appearance of the face. which gives patients the triangular or heart-shaped faces which they consider as delicate and feminine.

What are the likely results? Any side effects or downtime?

The non-sugical square jaw reduction and face slimming with B’tx injection is generally proven to be effective and reaches its maximum effect of facial thinning / slimming at approximately 12 weeks. Other research also found that maximum correction occurred at 1 to 2 months, and reinjection was required at 6 to 8 months.


Apart from the appearance of a smaller / narrower jaw, facial thinning / slimming, the improvement in the lower face may result in prominence of the cheek bones, which to some individuals may be an effect that is typically very desirable.


Facial volume remained reduced after 6 months, which may be from the fact that although the masseter muscle volume recovered to baseline (original pre-treatment) levels, the masseter muscles are not as big as before the B’tx injection treatment. Regaining the baseline muscle mass after attenuated contraction therefore takes longer than simply regaining function. It is therefore recommended that additional B’tx jaw reduction facial slimming treatment be done at a lower dose one to four times a year for maintenance


Side effects may include, bruising, mild swelling and pain on the injection site, all of them localized and transient.

This treatment has synergy and can be combined with?

B’tx injection into masseter muscle is a popular contemporary form of non-invasive lower face contouring. However, this procedure alone does not address the facial length deficiency in patients whose faces are broad and short.


In this regard, dermal chin filler injection can be combined with the B’tx face slimming jaw reduction injection as a simple minimally invasive technique to lengthen the face, for this purpose. The combined treatments can give the appearance of a longer, oval shaped face.

Why Tiffiny Yang Clinic?

We focus on three things: Safety, Efficacy, and Personalisation.




Tiffiny Yang Aesthetics have been in the medical aesthetics market for a long time, and have performed many very good aesthetics procedures throughout the years. Our doctors are qualified medical doctors, and we use good quality & approved medical devices and products as your safety is of utmost importance to us.


All our Lasers, Radiofrequency Systems, IPL devices, Ultrasound Energy Machines are good and proven systems which had been used for some time in the market on many patients. They are all approved, CE Marked, or FDA approved systems. Since many people have used them – by sheer numbers, the behaviour and treatment outcome of the devices are generally known. The unexpected is unlikely to occur.




Our treatments are all clinically proven and are generally effective. Apart from effective treatments, our lady doctor is also known for being very gentle and caring. We want to get to know you personally so that we can tailor-make and customise the treatments to achieve your intended desires. It is for this reason that majority of our equipment and products are not “box-standard” but customisable.


Indeed, we have been known to go to great lengths to curate and customize the beauty treatments you desire to ensure that it is personally suitable for you.


We also want to get to know you so that you to feel comfortable and confident that you are in good hands when undergoing treatments at our clinic.




As all aesthetics treatment are part medicine and part art, one should choose an aesthetics professional or doctor whom is both a competent and qualified medical doctor, and whom also possesses a keen eye for beauty. More importantly, a keen eye for beauty which you agree with. In other words, you must trust your aesthetics doctor’s taste and sense of beauty.


Dr Tiffiny Yang is a doctor and a beauty queen. She was crowned Ms Singapore Universe, and is also a fashion model with some repute in her free time. She had been featured in fashion and glamour magazines which are household names and are published Asia wide. Our clinic treatments bear her eye, direction, believe and hallmark of beauty.

Click here to see Dr Tiffiny Yang’s belief of what an Ideal Facial Feature Proportion should be; and here to see Dr Tiffiny Yang’s holistic treatment believes and approach to counter & slow signs of aging. Dr Tiffiny Yang’s believes serves as a guide for the direction of our aesthetics treatments.

Note on Information


It is important to note that individual variation in responsiveness to the above treatment(s) may vary significantly. the above information is for general information purposes only, and is expressly subject to the specific facts and circumstances, the peculiar physiology and constitution of a patient, the intensity of a treatment, amount of product used, and frequency of treatment (as applicable). Outcomes may therefore differ from the information provided above. Click HERE to see the medical literature and references wherein the above information is based on.

To find out about our pricing or to book an appointment, please call 6338 9448, or SMS 9186 0805 (24h), or email us at today. You can also find us here.

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