Acne Scars Treatment Singapore
What Causes Pimple Scars & How To Treat Them?
When considering acne scar treatment in Singapore, it is important to first identify the type and depth of scarring. Ice pick, boxcar and rolling scars affect the skin differently and may require different treatment approaches.
Pimple scars, acne scars or pock marks commonly develop when inflammatory acne damages the follicle wall and surrounding skin tissue. As the body heals the damaged area, it produces new collagen to repair and replace the injured tissue. However, the skin does not always rebuild the damaged tissue evenly. If the skin produces too little collagen during healing, it can leave a depression or atrophic acne scar. If it produces excess collagen, it can form a raised hypertrophic or keloid scar.
Acne scars usually do not disappear completely on their own, although their appearance may change gradually over time. Appropriate acne scar treatment can help improve the depth, texture and overall appearance of scars, but the degree of improvement varies between individuals.
There are several treatments for pimple scars and acne scars. Some treatments work better for specific scar types and depths, so doctors need to assess the skin before recommending a treatment approach. If acne remains active, managing the ongoing inflammation is also important to reduce the risk of additional scarring.
Atrophic scars
Atrophic acne scars are indentations that form when the skin does not regenerate enough collagen and supporting tissue during the healing process.
These scars commonly develop after inflammatory acne and can vary significantly in shape and depth. Doctors generally classify atrophic acne scars into three main types: ice pick scars, boxcar scars and rolling scars. Some patients may have a combination of different scar types.
#1 Ice Pick Scars
Ice pick scars are small, narrow and deep acne scars that extend into the dermis, creating the appearance of skin pierced by an ice pick. They may resemble enlarged pores but are typically deeper and more sharply defined. Deep inflammatory acne can damage the skin and surrounding collagen, leaving a narrow, pitted depression as the area heals. Ice pick acne scars commonly affect the cheeks and may extend deeper beneath the skin than their small surface opening suggests.
#2 Boxcar Scars
A boxcar scar is a round or oval depressed acne scar with steep, well-defined edges, often resembling a chickenpox scar. Unlike ice pick scars, boxcar scars are typically wider and can give the skin an uneven, pitted appearance. They form when inflammatory acne damages collagen and supporting skin tissue, leaving a depression as the skin heals. The amount of tissue loss can affect the depth and severity of the scar. Boxcar acne scars commonly occur on the cheeks and temples.
#3 Rolling Scars
Rolling scars create broad, wave-like depressions across the skin, giving it an uneven or rolling appearance. They form when fibrous bands develop beneath the skin and tether it to deeper tissue. These bands pull the skin downward, creating the characteristic shallow, sloping appearance of rolling acne scars. Rolling acne scars commonly affect the cheeks and may become more noticeable under certain lighting or facial angles.
Treating Acne Scars
Scarring after acne occurs frequently. It is an unwanted reminder of a painful and bothersome condition. When left alone, as you grow older, they will turn into more obvious and severe acne scars. However, acne scars do not have to be permanent, as recent advances in laser and ablative radiofrequency technology have allowed us to offer effective treatments in minimizing unsightly scar damage to the skin after acne.
Different acne scars require different treatment approaches. A shallow surface scar does not have the same structure as a deep ice pick scar or a tethered rolling scar.
For this reason, doctors may use fractional laser resurfacing, radiofrequency microneedling, subcision, chemical reconstruction techniques or other targeted scar treatments depending on the scar type, depth and skin condition.
Patients with several different types of acne scars may benefit from a combination treatment approach rather than relying on one procedure alone.
Acne Scars Treatment with Today's Medical Technology - Dr Kenneth Thean
Topical skincare may help improve post-acne marks and overall skin texture, but established pitted ace scars usually require targeted medical treatmetns to achieve more noticable improvement. Different acne scars treatments can address the depth and structure of the scars while improving overall skin texture and quality:
#1 - Ablative Laser Treatment
Ablative laser resurfacing creates controlled microscopic areas of injury within the skin to stimulate skin renewal and collagen remodelling.
Lasers such as Er:YAG and fractional COâ‚‚ may be used to improve selected acne scars and uneven skin texture. However, fractional COâ‚‚ produces greater thermal injury within the skin and may carry a higher risk of prolonged redness and post-inflammatory hyperpigmentation (PIH), particularly in Asian and darker skin types.
For this reason, our doctors carefully consider the type of laser, treatment depth and intensity according to the patient's scar type, skin tone and pigmentation risk. At Ensoul, we generally favour treatment approaches that can target acne scars while reducing unnecessary thermal injury to the surrounding skin. Learn more about why we don't use COâ‚‚ lasers for acne scars.
Deeper acne scars may also involve structural changes beneath the skin surface. Increasing the intensity of ablative resurfacing does not necessarily produce better results and may instead increase downtime, inflammation and pigmentation risk.
Non-ablative lasers, including selected picosecond laser treatments, deliver energy into the skin without removing the surface layer. This energy can stimulate collagen remodelling and gradually improve the appearance of selected acne scars and uneven skin texture.
Depending on the wavelength and treatment settings, laser treatments may also help improve the appearance of enlarged pores and post-acne marks, including post-inflammatory hyperpigmentation (PIH). Doctors select the appropriate laser and treatment parameters based on the type and depth of acne scars, skin type and pigmentation concerns.
#3 - Medical Chemical Peels
Medical chemical peels use carefully selected chemical solutions to exfoliate the skin and stimulate skin renewal. They can help improve post-acne pigmentation, uneven skin tone and superficial acne scars.
For deeper scars, doctors may use targeted techniques such as TCA CROSS for selected ice pick scars rather than applying a strong peel across the entire face. Stronger chemical peels can carry a greater risk of post-inflammatory hyperpigmentation (PIH), prolonged redness or changes in skin pigmentation, particularly in Asian and darker skin types. Doctors therefore select the type and strength of peel according to the acne scar type, skin tone and individual pigmentation risk.
#4 - Dermal Filler
Dermal fillers can help improve selected depressed acne scars by restoring volume beneath the skin and lifting the scar closer to the surrounding skin surface. They are most suitable for certain atrophic scars and may be combined with other acne scar treatments depending on the type and depth of scarring. Results are temporary, and maintenance treatment may be required over time.
#5 - Puro Treatment for Acne Scars
Puro uses FDA-cleared NanoFractional RF™ technology with 160 micro-pins to deliver controlled radiofrequency energy into the skin. The micro-pins create microscopic treatment zones while delivering heat into the underlying tissue, triggering the skin’s natural healing response and stimulating collagen remodelling.
This process helps improve the appearance of acne scars, enlarged pores, uneven skin texture and post-acne pigmentation while supporting skin renewal and recovery of the skin barrier.
By creating controlled fractional treatment zones and leaving surrounding tissue intact, the skin can recover between treated areas.
Puro can be used across a range of skin tones, including darker skin types, with treatment parameters adjusted to the individual skin type and acne scars. Compared with more aggressive ablative resurfacing, fractional RF may also offer a lower risk of post-inflammatory hyperpigmentation (PIH) in appropriately selected patients, with generally shorter downtime.
#5 - Intensif RF Microneedling Treatment for Acne Scars
Intensif RF Microneedling is particularly useful for depressed and deeper acne scars, where scar tissue extends further into the dermis. Fine microneedles penetrate the skin at controlled depths and deliver radiofrequency (RF) energy directly into the dermis, allowing treatment to target deeper scar tissue while limiting unnecessary injury to the skin surface.
The combination of microneedling and controlled RF heat triggers the skin’s natural healing response and stimulates collagen and elastin remodelling. As the dermal structure gradually rebuilds and remodels, depressed acne scars can become shallower while the skin develops a smoother and more even texture.
Collagen remodelling takes time, so improvements may begin to become noticeable within approximately 6 to 12 weeks and can continue to develop over the following months. Because Intensif delivers RF energy beneath the skin with relatively limited surface disruption, it generally involves less visible downtime and a lower risk of post-inflammatory hyperpigmentation (PIH) than aggressive ablative resurfacing, making it an option for Asian and darker skin tones when appropriate treatment parameters are used.
#6 - X Dual Wave RF Microneedling Treatment for Acne Scars
This dual-wave RF microneedling treatment uses both Continuous Wave (CW) and Pulsed Wave (PW) radiofrequency energy to target different components of acne scarring and skin damage.
Continuous Wave (CW) delivers controlled RF heat into the dermis, stimulating collagen and elastin remodelling. This helps improve the appearance of depressed acne scars, enlarged pores and uneven skin texture as the skin gradually remodels.
Pulsed Wave (PW) delivers RF energy in controlled pulses and can target areas of abnormal vascular activity and tissue associated with inflammation while limiting unnecessary thermal damage to surrounding skin. This makes it particularly useful when post-acne redness, pigmentation or ongoing inflammatory changes accompany acne scarring.
By combining both RF modes with microneedling, Sylfirm X can address acne scars together with some of the pigmentation, redness and uneven skin texture that may remain after acne, with treatment parameters adjusted according to the patient's skin condition, scar type and skin tone.
Ultimately, the effective treatment for acne scars will depend on the individual's skin type, severity of scarring, and desired results. It's important to consult with a qualified doctor, dermatologist or medical aesthetician to determine which treatment is suitable for you.
#7 - Subcision for Acne Scars
Subcision is a targeted acne scar treatment used primarily for tethered rolling and depressed acne scars. These scars form when fibrous bands beneath the skin attach the scar to deeper tissue and pull the skin downward.
During subcision, the doctor inserts a specialised needle or cannula beneath the scar to release these fibrous attachments, reducing the downward pull and allowing the depressed scar to lift. The controlled injury beneath the skin also stimulates a wound-healing response and collagen formation, which can further improve the scar over time.
For more comprehensive acne scar improvement, doctors often combine subcision with other acne scar treatments because releasing the tethered scar addresses only one component of the scarring. Treatments such as RF microneedling or fractional laser resurfacing can support collagen remodelling and improve skin texture, while dermal fillers may provide additional support beneath selected depressed scars.
The most appropriate combination depends on the type, depth and severity of the acne scars, and deeper or more established scars may require several treatment sessions.
Acne Scar Removal in Singapore – Why We Don’t Use CO2 Lasers
Fractional COâ‚‚ lasers have traditionally been used to improve acne scars and uneven skin texture. They create controlled microscopic areas of thermal injury in the skin, triggering skin renewal and collagen remodelling.
However, not every acne scar is primarily a surface problem. Deeper depressed scars may involve structural changes within the dermis or fibrous tethering beneath the skin. Increasing the intensity of surface resurfacing may not adequately address these deeper structures and can increase downtime and the risk of post-inflammatory pigmentation.
However, when treating Asian and darker skin types, greater care is needed with aggressive ablative resurfacing. Higher treatment intensities can increase the risk of post-inflammatory hyperpigmentation (PIH), prolonged redness and longer downtime, particularly when trying to treat deeper acne scars.
Another limitation is that not all acne scars are primarily a surface problem. Deeper depressed scars often involve structural changes beneath the skin, so simply increasing the intensity of surface resurfacing may not necessarily produce better results — and may instead increase downtime and the risk of pigmentation.
For this reason, Dr Kenneth Thean, Dr Chiam Chiak Teng and Dr Daniel Toh take a more targeted approach to acne scar treatment in Singapore. Depending on the type and depth of the scars, treatment may involve fractional Er:YAG laser resurfacing, RF microneedling, subcision or other targeted scar treatments.
Treating Acne Scars at Different Depths
Rather than relying on a single aggressive resurfacing treatment, the aim is to match the treatment and treatment depth to the type of acne scar while taking the patient’s skin type and risk of pigmentation into consideration.
With newer technologies, acne scars can now be treated at different depths within the skin, rather than focusing only on surface resurfacing. For deeper scars, fractional ablative treatment can reach depths of up to 500 microns, helping to remodel scarred tissue beneath the surface. Treatments that deliver energy deeper into the dermis can also stimulate collagen production and remodelling, gradually improving the support and structure of the skin. This allows acne scar treatment to work at multiple levels — resurfacing uneven texture, remodelling deeper scar tissue and rebuilding collagen — to gradually soften depressed scars and create a smoother, more even skin surface.
Other treatments, such as chemical peels, may also be incorporated for selected patients to improve superficial scarring, pigmentation and overall skin texture. Improvement may be seen after a single treatment, although deeper or more established acne scars typically require a series of treatments.
By selecting the appropriate technology, depth and treatment intensity according to the scar and skin type, treatment can be performed progressively while managing downtime and the risk of complications.