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Fotona 6D Pro, Sylfirm X, Ultherapy, Thermage FLX, HIFU, Sofwave: What’s the Difference? (2024)

By SL Aesthetic Clinic
Last Updated:
August 15, 2024
Fotona 4d laser lift sagging skin

Notice that your face is looking saggier of late? We feel you.

Saggy skin is one of the biggest bugbears we as aesthetic doctors have to deal with in our daily practice. Correspondingly, non-invasive skin tightening and lifting treatments are, by my reckoning, increasingly popular as people become more savvy about looking their best as they age, and we now have advanced treatments that can achieve natural and effective tightening results without having to go under the knife for a surgical face lift.

In an aesthetic world already crowded with numerous skin tightening treatments, it is only natural to feel confused. In this guide, I will share with you the key differences between these treatments, including;

  • Fotona 6D Pro Laser Lift
  • Sylfirm X
  • Thermage FLX
  • Ultherapy
  • HIFU/Sofwave


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Take this quiz to help you determine which skin tightening/face lifting treatment best suits you.

Fotona6D Pro

You might have only heard of Fotona4D, one of Fotona’s key skin tightening and lifting treatment since 2017. That’s because Fotona 6D Pro is a proprietary treatment introduced by our team of  doctors at SL Aesthetic Clinic that improves upon the original Fotona4D protocol.

By itself, Fotona4D is an effective treatment using 4 different and complementary laser technologies which is suitable for almost all skin types. At SL Aesthetic Clinic, we have further improved the protocol by adding 2 more steps and lasers (hence 6D), prolonging the treatment time and also expanded the areas treated.

One proprietary step we’ve added is an intraoral step, where we pre-heat the oral mucosa for better tightening, especially at the mid face and nasolabial folds.

Fotona6D Pro​

The 5th laser utilises Fotona’s proprietary Er:YAG SMOOTH® mode which is ideal for skin tightening. The intense, controlled superficial skin heating powerfully and safely stimulates collagen remodelling and initiates neocollagenesis (collagen formation). The effect is an overall improvement of laxity and elasticity in the treated areas.

The 6th and last step is a gentle peel procedure that exfoliates the skin with the help of Fotona’s Variable Square Pulse (VSP) technology. Also known as Fotona Pearly Peel, this fractionated erbium laser removes common skin imperfections like pores and wrinkles, giving a pleasant pearly finish to the skin, in addition to the tightening and lifting effect.

Read: Pico laser vs Clear + Brilliant Laser vs Pearly Peel

Notably, while the Fotona4D protocol only includes the face and front of the neck, our Fotona6D protocol expands the treated areas to include the frontal hairline and back of the neck.

Fotona6D Pro​

Why?

  • Tightening the skin over the frontal hairline has a lifting effect on the eyebrows.

  • Tightening the skin over the back of the neck improves the appearance of the front of the neck.

  • This enlarged treatment area results in extended overall tightening from our face to our entire neck.

Sylfirm X

Sylfirm X is a skin rejuvenation and tightening treatment from Silicon Valley, USA. Sylfirm X is two technologies in one device: 

  • Microneedling – Microneedles that create controlled, thermal injury in the skin. These micro-injuries stimulate the body’s natural wound healing process, leading to the production of collagen and elastin.

  • Radiofrequency – Radiofrequency generates heats in the skin at 40 to 60 degrees, further generating collagen and compounding the effects of microneedling. 


Unlike existing microneedling devices, Sylfirm X’s repeated ultra-short pulse feature enables it to ONLY react to abnormal blood vessels and tissues. It also penetrates the skin long enough for lifting without occurring thermal dermage. 

Sylfirm X is particularly suitable for smaller, more intricate types of lifting, such as eyebrow lifting. Like Fotona 6D, it can improve skin superficially with the addition of neovascularities like pigmentation and rosacea

Thermage FLX

Thermage FLX is the 5th generation skin tightening treatment from Solta, USA. It utilises Mono-polar Capacitive Radio-frequency energy to deliver heat into the skin layers to stimulate collagen.

In my clinic, I prefer to use Thermage FLX for crepey, thinner Caucasian-type skin rather than saggier, heavier Asian-type skin. This is mainly because the Radiofrequency energy does not penetrate as deeply into the skin. 

The Thermage FLX protocol includes the face and the front of the neck, but does not include the back of the neck. Laxity at the back of the neck will aggravate neck lines and make our neck skin appear more loose.

While Thermage FLX’s top-down heating approach means it can treat superficial skin concerns, it is chiefly still used for the tightening of crepey skin. If you are looking to also improve skin complexion, I suggest a combination plan that includes skin rejuvenation treatments like Skinboosters, or Fotona 6D Pro for its addition of superficial lasers. 

Ultherapy

Ultherapy is a skin-tightening treatment from Merz Aesthetics, USA. It uses ultrasound energy to lift and tighten the dermis and underlying fibromuscular layer that holds the skin in place. The ultrasound energy is delivered deep into the skin, heating up the specific skin layers to 60 to 70 degrees Celsius. At this temperature, thermal coagulation of proteins occurs and collagen is stimulated.

Ultherapy is suitable for all skin types, including Asian type saggy skin. However, the layers treated are very distinct i.e. 3 mm and 4.5 mm below the skin’s surface. The intervening skin layers are not treated as the ultrasound energy is only precisely deposited at the particular depth. In this case, a more all-encompassing treatment like Fotona 6D Pro might be a better fit as 6D tightens the entire thickness of skin, including the mucosa lining in our cheeks and externally.

The standard Ultherapy protocol includes the face and neck, but does not include the areas adjacent to the mouth, back of the neck and the central part of the neck in front of our windpipe. This is so as not to damage nerves or other important structures under the skin.

HIFU/Sofwave

HIFU (High Intensity Focused Ultrasound) is the name of a group of aesthetic devices that use ultrasound energy to tighten skin, similar to Ultherapy. There are many brands on the market, such as Ultraformer 3, Doublo and Sygmalift. The machines originate from different countries, depending on the brand and manufacturer.

Another brand that uses HIFU technology is Sofwave, but the main difference between itself and the rest of other HIFU machines is that Sofwave can only reach at a single depth of 1.5mm underneath the skin, which is comparatively shallower than other HIFUs.

Conversely, for Ultherapy and HIFU: 

  • Ultherapy only needs to be done once a year

  • HIFU treatments typically require multiple sessions a year for similar results

  • HIFU machines also do not have the real-time ultrasound visualisation of the skin layers like Ultherapy. This makes it less accurate as visualisation helps the physician determine if the energy is being deposited in the right layers of the skin for optimal results.

Comparison Summary

I hope I’ve helped you familiarise yourself with the various non-invasive energy-based skin tightening and lifting treatments available in Singapore.

For your convenience, here’s a simpler, tabulated comparison (best viewed on desktop). 

Fotona6D
Thermage FLX
Ultherapy
HIFU
Sylfirm X
Key technology
Erbium and Long-pulsed Nd:YAG Laser
Mono-polar Capacitive Radio Frequency
Ultrasound
Ultrasound
Microneedling and radiofrequency
Skin texture and radiance
Yes
No
No
No
Yes
Treatment areas
Whole face, plus frontal hairline, and front and back of neck
Whole face and front of neck
Face and front of neck, except areas near mouth and centre of neck
Face and front of neck, except areas near mouth and centre of neck
Whole face, scalp
Treatment duration
Up to 1.5 hours
~1 hour
~1 hour
~1 hour
30 mins-1hr
Downtime
Downtime
Slight redness for a day with mild peeling
Slight redness for a few hours
Slight redness for a few hours
Slight redness for a few hours
Price/cost
From $2000
From $2600
From $1999
From $1500
From $600

If you’re still unsure which treatment works for you, just schedule an appointment to get a personalised consultation. 

*Note: Information displayed in this article is for educational purposes only. A doctor’s consultation is still recommended. 

Dr. Gabriel Wong

Photography Enthusiast
MBBS, Singapore

Fate was at work when he met Dr Kelvin Chua, which sparked his interest in aesthetic medicine.

Growing from strength to strength under the tutelage of Dr Chua, Gabriel developed an eye for detail and beauty – perfectly in tune with aesthetic medicine, a confluence of art and science.

He applies this in a range of non-invasive procedures such as Botox treatments, soft tissue augmentation (Dermal Fillers with the Cannula Method), skin rejuvenation with lasers (Fotona5D Laser Lift), and effective acne and acne scar treatments (Fractional CO2 Laser, subcision).

In his free time, Gabriel loves to travel in search of that perfect snapshot. His works of art have won praises by many patients.

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