DR.DESMOND
chIN
Outside of work, Dr Desmond is an avid traveller who has travelled extensively. His love for nature has brought him trekking in the far corners of the world. He is also a sports enthusiast with a flair for ball and racket games
Why do we get Acne Scars and How do we get it?
Acne scars occur as a result of a full thickness injury to the skin from inflammatory lesions such as acne, most notably nodulocystic acne. The injury involves the dermis layer of the skin.
In the attempt to repair the damaged skin, scar tissue and collagen is formed in an irregular pattern around the injury that leads to the appearance of acne scars and they can be permanent.
The bigger and deeper the acne, the more likely scarring is going to occur. Acne scars are different from post-inflammatory pigmentation, acne marks or blemishes which are temporary and usually resolves with time on its own.
There are many different types of acne scars such as, ice pick, rolling, box, atrophic and hypertrophic
So, how do I Prevent Acne Scars and what do I advise you to follow too?
I always advise my patients to treat their acne the moment it surfaces. With the right skin care products and medications, you can prevent and manage acne effectively.
For mild to moderate acne, they can be treated with topicals such as, topical antibiotics, benzoyl peroxide and retinoid. These can be used independently or together depending on the severity. For moderate to severe cases, I like to treat them with an oral antibiotic, topical BPO and topical retinoid. In the most severe cases, oral isotretinoin can be an option. I also like to complement the acne treatment with a series of lasers and chemical peels for the best results!
Personally, I eat everything. But when my face starts to act up, I try to have a low dairy, oily and spicy diet. I eat lots of fruits and vegetables while exercising and drinking plenty of water!
As for skincare, use acne compatible cleanser, moisturizer and sunblock. Do not and I repeat, do not squeeze and pop the angry looking volcano as it increases the likelihood of acne scarring. If you have an upcoming important event that you need to look good for, consider intralesional steroid injections of the acne by a doctor to speed up the healing process!
What is CO2 DEKA and what have I learned from the training?
I had the privilege of visiting Florence, Italy, on 20th and 21st May for a DEKA CO2 Laser training session alongside my colleague Dr. Jason Pek. During this trip, we had the opportunity to learn about the specifics of the DEKA SmartXide Punto, a versatile CO2 laser machine, and to visit the factory where the machine is made. It was an eye-opening experience!
On the morning of 20th May, we were picked up at our hotel and transported to Villa Donatello Hospital, where our training was held. Our group consisted of about 9 doctors from Singapore and Malaysia. Villa Donatella is a private hospital in the suburbs of Florence with multiple specialties. There is a big garden at the entrance of the hospital, and it was a lovely sight to see the flowers blooming in springtime.
The morning started with a series of lectures by Prof Paolo Bonan, a well-known Dermatologist in Italy who has vast experience in using the Deka laser for a variety of dermatological conditions. We went through the fundamentals of laser, the unique characteristics of the Deka laser and Prof Bonan graciously showed us his cases as well as the protocols that he had used to treat his patients. The before and after photos showed really good results! Unfortunately, I am unable to show the photos of the case studies due to confidentiality/copyright issues.
In the afternoon, we managed to get some valuable hands-on with the Deka laser machine to treat a variety of cases including skin rejuvenation, fine lines, acne scarring, neck skin tightening and seborrheic keratosis. I must say this machine is really user-friendly and easy to handle.
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We also had a visit to the DEKA laser factory on the 21st of May. It was fascinating to see all the heavy machinery used to build and test the lasers. We were able to have a quick tour around the facility to see how the Deka lasers are assembled from their individual parts. Unfortunately, we were not able to take photos inside the laser assembly area due to industry trade secrets and prevention of spying
Being a CO2 laser with a wavelength of 10600nm, the laser primarily targets water in tissues. Depending on the parameters set, it can bring about the effects of Vaporization, Stimulation, and Incision.
Due to these modes of action, CO2 lasers are known to be versatile and able to treat a myriad of skin conditions including; skin tags, warts, moles, milia, syringomas, acne scarring, fine lines, skin laxity, and seborrheic keratosis/hyperplasia. It can even be used in surgery to make incisions.
Many of the doctors present had used other brands of CO2 lasers before in the past. What impressed us about the Deka CO2 laser machine is the ability to adjust a range of parameters independently that other CO2 machines are not capable of. This gives us more control when we treat our patients and allows us to customize the treatment according to the individual’s skin type and condition. This leads to better outcomes and lower risks of undesirable side effects.
So here are some of the settings we can control that makes this machine so unique:
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Power (Watts) – Controls the ablation depth of the laser
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Dwell Time -Controls how much thermal energy (heat) is produced with each laser pulse
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Energy (Joules) – Can be adjusted by adjusting the power and/or dwell time independently
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Dot Spacing – Controls the density of the treatment dots in a certain area
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Stacks – Controls the number of repeated pulses on each treatment dot
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Pulse Shape – Ability to choose from different pulse profiles for the desired effect
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Scan Pattern – Ability to choose shape/size of scanner based on shape of lesion
When treating skin conditions using a CO2 laser, it is a delicate balance between producing results vs causing side effects, especially when aggressive settings are used on our Asian skin subtype, which is prone to post-inflammatory hyperpigmentation (PIH). It is therefore important to have control over these individual parameters to fine-tune the desired effect.
For example, heat is required to stimulate collagen in the skin but too much heat can lead to side effects like PIH
When treating deep acne scars, we want to achieve deeper penetration of the laser while controlling the amount of thermal energy generated in the tissues so that there is enough to stimulate collagen but not too much to cause PIH. The ability of the Deka CO2 machine to have stacked pulse on the same treatment dot allows for greater depth of the laser while reducing the thermal damage as the skin is given time to cool between the stacks.
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For these reasons, the Deka SmartXide is our top choice for a CO2 laser.
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Overall, it was a very fruitful trip. It was a great learning opportunity to listen to Prof Bonan share his experience and to see his clinical cases. He is indeed a laser guru and a fantastic teacher. This intensive training session with hands-on allowed me to understand the specifics and individual characteristics of the Deka SmartXide Punto CO2 laser. This very unique and customizable machine is a game-changer in the industry.
