Home›Treatments›Acne Treatment

Pilosebaceous Assessment · Grading · CityLink Mall

Acne Treatment Singapore —
Four Things at Once

Atelier Aesthetics · Medical Director: Dr. Sin Yong · Updated 6 Oct 2026

Acne is a disorder of the pilosebaceous unit with four interacting drivers — not a hygiene problem. Which grade you have, and whether it is acne at all, determines everything that follows.

Book a Consultation Acne Scar Treatment

The Mechanism

Four Drivers, Interacting

Book a Consultation

Acne treatment in Singapore begins with what acne actually is, because the popular account of it is wrong. It is not caused by poor hygiene, and washing more often addresses none of the mechanisms involved.

Four factors interact within the pilosebaceous unit, and a treatment addressing one while ignoring the others produces a partial result. That is the usual reason a regimen which seemed promising stops working.

Driver One
Follicular Hyperkeratinisation
Cells lining the follicle fail to shed normally and accumulate, obstructing the opening. This is where a comedone begins.
Driver Two
Sebum Production
Androgen-driven. This is why acne often tracks with hormonal change, and why it can persist well into adulthood rather than resolving after adolescence.
Driver Three
C. acnes Proliferation
A commensal organism that multiplies in the obstructed, sebum-rich follicle. It is not an infection in the ordinary sense — the organism is normally present on everyone.
Driver Four
Inflammatory Response
The immune reaction to the above. Inflammation is what turns a comedone into a papule, and what drives both scarring and post-inflammatory pigment change.

Grading

Three Presentations

Acne is classified by what predominates. The grade is not a severity score for its own sake — it tells you which of the four factors is driving the presentation, and therefore what the plan has to address.

Acne is not a hygiene problem. Washing more often addresses none of the four things causing it.

Dr. Sin Yong · Medical Director, Atelier Aesthetics

Specifications

Drivers
4 interacting factors within the pilosebaceous unit
Grades
3 — comedonal, inflammatory, nodulocystic
Organism
Cutibacterium acnes, a commensal present on all skin
Review
Response assessed at 8–12 weeks
Grade I
Comedonal
Open and closed comedones — blackheads and whiteheads — without significant inflammation. The problem here is follicular obstruction rather than inflammatory activity, and the plan reflects that.
Grade II
Inflammatory
Papules and pustules alongside comedones. Inflammation has become the dominant feature, and in Asian skin post-inflammatory pigment change becomes a consideration from this point onward.
Grade III
Nodulocystic
Deep, tender nodules and cysts extending into the dermis. This is the presentation most associated with permanent scarring, and the one where early medical management matters most.

Timing

Why Waiting Costs More

Cystic acne is where early intervention matters most, because nodulocystic disease is the grade most strongly associated with permanent scarring. Waiting to see whether it settles is the decision that most often produces scarring which later needs revision.

Scar reconstruction is possible and Atelier Aesthetics does a great deal of it — but it is slower, more involved and more expensive than controlling the disease that causes it. The most economical acne plan is almost always the earliest one.

If scarring has already occurred

In Depth

Treating Acne: The Evidence-Based Options

The treatments with the strongest evidence each act on one or more of the four drivers. Topical retinoids normalise how the follicle sheds and are the backbone of most plans. Benzoyl peroxide reduces C. acnes without causing bacterial resistance. Topical and oral antibiotics reduce bacteria and inflammation, but are used for limited periods and alongside benzoyl peroxide to limit resistance. Hormonal treatment can help some women whose acne follows their cycle. Oral isotretinoin is reserved for severe, scarring or treatment-resistant acne, and needs monitoring. [1]

International consensus stresses three points: combine treatments that work on different drivers, keep antibiotic courses short, and continue a maintenance plan once the skin is clear, usually with a topical retinoid, because acne tends to return when treatment stops. [2]

In Asian skin, an inflamed spot can leave a brown mark that outlasts it. Controlling inflammation early, wearing sunscreen daily and avoiding needless irritation all reduce that pigment. Marks and true scars are different problems: marks are flat colour change and fade; scars change the texture of the skin and need procedures. [3] Our acne scar treatment page covers the second.

Droplets and ripples on a pale rose surface
Acne begins in the follicle, long before a spot is visible.

Matching Treatment to Grade

GradeMain driverUsual first-line approach
ComedonalFollicular blockageTopical retinoid, with or without benzoyl peroxide
Mild to moderate inflammatoryInflammation and C. acnesTopical retinoid plus benzoyl peroxide, sometimes with a topical antibiotic in combination
Moderate to severe inflammatoryWidespread inflammationTopical combination plus a time-limited oral antibiotic; hormonal therapy for selected women
Nodulocystic or scarringDeep inflammationOral isotretinoin is considered, with monitoring

Summarised from the American Academy of Dermatology guidelines and the Global Alliance consensus. Your plan depends on your skin, history and preferences.

Clear skin is the start of maintenance, not the end of treatment.

What Happens on the Day

  1. DiagnosisDr. Sin Yong confirms that it is acne, not rosacea, folliculitis or perioral dermatitis, and grades it.
  2. HistoryPrevious treatments and how long each was used, cycle-related flares, medicines, supplements and skincare.
  3. PlanA combination aimed at the drivers in your skin, with clear instructions on how and when to use each product.
  4. Review at 8–12 weeksAcne treatments are slow. The plan is changed after a fair trial, or sooner if side effects call for it.
  5. Maintenance and marksOnce clear, a maintenance routine keeps it that way. Pigment and scarring are treated once the acne is controlled.
Clear droplet resting on rippled, rose-toned water
Clear skin is the start of maintenance.

Side Effects to Know About

Warning signs. Stop and contact the clinic if you develop a widespread rash, swelling of the face or lips, a severe headache with changes in vision, or low mood while on treatment.

Day-to-Day Habits That Help

References

  1. Zaenglein AL, Pathy AL, Schlosser BJ, et al. Guidelines of care for the management of acne vulgaris. J Am Acad Dermatol. 2016;74(5):945-973
  2. Thiboutot DM, Dréno B, Abanmi A, et al. Practical management of acne for clinicians: an international consensus from the Global Alliance to Improve Outcomes in Acne. J Am Acad Dermatol. 2018;78(2 Suppl 1):S1-S23
  3. Fabbrocini G, Annunziata MC, D'Arco V, et al. Acne scars: pathogenesis, classification and treatment. Dermatol Res Pract. 2010;2010:893080
  4. Ministry of Health, Singapore
  5. HealthHub, Singapore — public health information

General information, reviewed by Dr. Sin Yong, Medical Director, on 6 Oct 2026. It is not a substitute for a consultation, and individual results vary.

FAQ

Acne — Common Questions

Ask a Question
Acne is a disorder of the pilosebaceous unit with four interacting drivers: follicular hyperkeratinisation, androgen-driven sebum production, proliferation of Cutibacterium acnes within the obstructed follicle, and the inflammatory response to all three. It is not caused by poor hygiene, and washing more often addresses none of these mechanisms.
Usually because it addresses one of the four drivers and not the others. A treatment targeting sebum alone, or bacteria alone, produces a partial result that plateaus. An effective plan has to account for which factor predominates in your particular presentation.
Comedonal acne is open and closed comedones without significant inflammation — the problem is follicular obstruction. Inflammatory acne adds papules and pustules, where inflammation has become the dominant feature and post-inflammatory pigment change becomes a consideration. Nodulocystic acne involves deep, tender nodules extending into the dermis, and is the grade most associated with permanent scarring.
Early. Nodulocystic disease is the grade most strongly associated with permanent scarring, and waiting to see whether it settles is the decision that most often produces scarring requiring revision later. Early medical management is how eventual scar burden is kept down.
Not always. Rosacea, perioral dermatitis, folliculitis and hormonally driven conditions can present similarly and respond to entirely different treatment. Establishing the diagnosis is part of the consultation, not an assumption made before it.
Inflammation is what turns a comedone into a papule, and it drives both scarring and pigment change. In Asian skin, post-inflammatory hyperpigmentation is common and is treated separately from the acne itself — controlling active disease comes first, because treating pigment while inflammation continues simply produces more of it.
Most treatments need 8–12 weeks before they can be judged fairly. Changing products every few weeks is a common reason acne seems not to respond.
Not always. When they are used, guidelines advise a limited course, combined with benzoyl peroxide and a topical retinoid, to reduce bacterial resistance.
It is used for severe or scarring acne because it acts on all four drivers. It has well-known side effects that need monitoring, including dryness, changes in blood tests and mood, and a serious risk to an unborn baby. It is prescribed only after a full discussion and with regular review.
Studies link high-glycaemic diets, and to a lesser extent dairy, with acne in some people, but diet alone rarely explains acne or clears it. It is worth discussing; it is not a substitute for treatment.

More on this topic

Atelier Aesthetics · Owned by AYA

Assessed first —
then treated.

1 Raffles Link, #B1-28, CityLink Mall, Singapore 039393 · +65 8023 7170

Book a Consultation