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Conditions · Redness & Vessels

Sensitised Skin

Skin that reacts to things it should tolerate — usually a barrier that has stopped coping rather than an intrinsic skin type.

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Sensitised Skin — assessed at IN Eternity Clinic Singapore
Key facts
  • What it is: skin that stings, burns, flushes or tingles with products or conditions it used to tolerate.
  • Usual cause: a damaged outer barrier — often from over-exfoliation, layering several actives, or procedures spaced too closely.
  • Sensitive vs sensitised: sensitive skin is a lifelong trait; sensitised skin is acquired and usually recovers once the cause stops.
  • First step: stop what is irritating the skin and repair the barrier before adding anything active.
  • What is avoided: further exfoliation, heat-based or ablative procedures and new actives while the skin is reactive.
  • Also considered: rosacea, contact dermatitis and eczema, which can look similar and need their own treatment.
  • Assessed by: Medical Director Dr Sin Yong at IN Eternity Clinic, 9 Scotts Road, Singapore.
Reviewed by Dr Sin Yong, Medical Director, IN Eternity Clinic · Last updated
Mechanism

What is actually happening

A compromised stratum corneum loses water and admits irritants. Water loss rises, inflammatory signalling increases, and the threshold for reacting drops.

The distinction

How it is told apart

Genuinely sensitive skin is lifelong. Sensitised skin is acquired — usually from over-exfoliation, stacked actives or procedures too close together — and the second is reversible.

Assessment

What is established first

Product and actives history, frequency of exfoliation and procedures, current symptoms, and how long the reactivity has been present.

Approach

What is typically done

Barrier repair before anything active. Non-thermal, non-ablative support is appropriate; further stimulation usually is not.

When treatment waits

When it is deferred

Where the cause is an ongoing regimen or treatment cadence, the honest answer is to stop and let the barrier recover first.

In practice

How sensitised skin is worked through at IN Eternity Clinic

Most sensitised skin we see has a recent story: a new retinoid added to an acid toner, daily scrubbing, a run of facials or peels, or a laser booked before the skin had settled from the last one. The outer layer of the skin (the stratum corneum) is a thin wall of cells and lipids. When it is worn down, water escapes, irritants get in more easily, and the skin starts reacting to things that never bothered it.

The assessment lists every product and procedure in the past few months, including the order and frequency. Dr Sin Yong also looks for conditions that mimic sensitised skin: rosacea (flushing, visible vessels, bumps), allergic or irritant contact dermatitis (a reaction to one ingredient), and eczema. Those need their own diagnosis and treatment.

The plan is usually short and plain: a gentle non-foaming cleanser, a fragrance-free moisturiser with barrier lipids, and sunscreen. Actives are paused. Once the skin is calm for several weeks, they are brought back one at a time at a lower frequency, so it is clear which ones the skin tolerates. Energy-based treatments are postponed until the barrier has recovered.

Day to day

Habits that help the barrier recover

Lukewarm water instead of hot, patting dry rather than rubbing, fewer products rather than more, and patch-testing anything new on a small area for a few days. Air-conditioned rooms dry the skin, so a richer moisturiser at night can help in Singapore's indoor climate.

“Sensitised skin is usually a barrier that has been asked to do too much. The fix is subtraction, not another active.”
— Dr Sin Yong, Medical Director, IN Eternity Clinic

Frequently asked

What is sensitised skin?

Skin that reacts to things it should tolerate — usually a barrier that has stopped coping rather than an intrinsic skin type.

How is sensitised skin told apart from similar conditions?

Genuinely sensitive skin is lifelong. Sensitised skin is acquired — usually from over-exfoliation, stacked actives or procedures too close together — and the second is reversible.

What is assessed before treating sensitised skin?

Product and actives history, frequency of exfoliation and procedures, current symptoms, and how long the reactivity has been present.

When is treatment deferred?

Where the cause is an ongoing regimen or treatment cadence, the honest answer is to stop and let the barrier recover first.

How long does sensitised skin take to recover?

It varies with how damaged the barrier is and whether the trigger has stopped. Many people notice the stinging settle over a few weeks of a simple routine; full tolerance to actives takes longer and is rebuilt step by step.

Can I keep using my retinoid or acids?

Usually they are paused while the skin is reactive, then reintroduced one at a time at a lower frequency once it has settled. Dr Sin Yong will advise on order and timing.

References

  1. Misery L, Ständer S, Szepietowski JC, et al. Definition of Sensitive Skin: An Expert Position Paper from the Special Interest Group on Sensitive Skin of the International Forum for the Study of Itch. Acta Derm Venereol 2017;97(1):4-6. doi:10.2340/00015555-2397
  2. Lodén M. Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders. Am J Clin Dermatol 2003;4(11):771-88. doi:10.2165/00128071-200304110-00005
  3. Singapore Medical Council. Guidelines on Aesthetic Practices for Doctors (2016 edition). healthprofessionals.gov.sg/smc

These sources describe mechanisms and general evidence. They are not a promise of any individual result; suitability is decided at an in-person assessment.

Have this assessed properly

Every assessment at IN Eternity Clinic is carried out personally by Medical Director Dr Sin Yong at 9 Scotts Road, #12-01 Pacific Plaza. If the honest answer is that treatment should wait, you will be told that.

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