How do I tell rosacea from ordinary flushing?

Flushing comes and goes and leaves nothing behind. Rosacea leaves a background redness between episodes, tends to add fine visible vessels over years, and often brings papules or a stinging sensitivity to products. If your face is still pink an hour after the trigger has passed, that is worth a physician's opinion.

How many sessions will it take, honestly?

Typically three, four to six weeks apart, for fixed vessels, with a top-up once or twice a year afterwards. Some people get most of what they wanted from two. Nobody gets a finished result from one, and a practice that books one and lets you assume otherwise is doing you a disservice.

The vessels treated do not return. New ones form, at a rate that depends on how often your face flushes and on how well the triggers are managed. That is why maintenance is in the plan from the start rather than presented as a disappointment later.

When is this something I should see a dermatologist about instead?

Eye symptoms of any kind. Papules and pustules that persist. Thickening skin at the nose. Redness with any systemic symptom. And redness that appeared suddenly rather than developing over years. Every one of those is a physician's assessment, and some of them are urgent.

Redness and rosacea

Facial redness ranges from a flush that comes and goes to fixed, visible vessels that do not. Light-based treatment can reduce the visible vessels meaningfully and it does not change the underlying tendency — rosacea is a chronic condition, it is managed rather than resolved, and anyone promising otherwise is selling something. This is also the concern with the shortest list of options on our menu, which we would rather show you honestly than pad.

Why this happens

Flushing is a vascular reflex. Blood vessels in the face dilate in response to a trigger — heat, alcohol, exercise, spice, stress, a temperature swing — and the skin reddens for as long as they stay dilated. In a face that flushes often, those vessels dilate more readily over time and take longer to return.

Repeated dilation eventually produces vessels that no longer fully constrict. Those are telangiectasias: fine, fixed, thread-like lines, most often across the nostrils, the cheeks and the chin. They are settled structures rather than a passing state, which is why they are visible on a face that is completely calm, and they are the part of this concern that a light-based treatment can genuinely address.

Rosacea sits underneath both. It involves a heightened neurovascular response, an inflammatory component, and in many people a papular or pustular element that can be mistaken for acne. It is chronic, it runs in families, it is provoked by identifiable triggers, and it is managed. Treating the visible vessels does not change the underlying tendency any more than clearing a puddle changes the weather.

What actually helps

Each of these does something specific about the mechanism above. The sentence under each one is what it does for this, which is not the same as what its own page says it does in general.

IPL photofacial
Broad-spectrum light absorbed by haemoglobin, which collapses fixed surface vessels — the one thing on our menu that changes visible redness rather than managing it.

What won’t work

Any treatment on our menu, for the flushing tendency itself. Closing visible vessels reduces the background redness they contribute; it does not stop your face going red at dinner. Those are two different problems and only one of them is ours.
Aggressive exfoliation, scrubs, and high-strength acids on rosacea-prone skin. Barrier disruption is a reliable trigger, and a course of anything abrasive usually makes a rosacea face worse rather than better.
Heat-based tightening treatments on a face that flushes. Heat is the most consistent trigger there is, and a device treatment that works by heating tissue is working against the thing you came in about.
Treating the papules and pustules of rosacea as though they were acne. They look similar, they respond to different medication, and the standard acne approach — stronger actives, more exfoliation — reliably inflames rosacea further.
Expecting a single session to hold. Vessels recur, new ones form, and maintenance is part of the plan rather than a failure of the first course.

Where we’d start, and why

1We ask you to describe a bad day rather than a good one, and to name what preceded it. Trigger identification is unglamorous and it is the intervention with the largest effect for most people.
2We look at whether what you are seeing is diffuse flushing, fixed vessels, or both. Only the second one has an in-office answer here, and the ratio of the two decides whether a course of treatment is worth your money at all.
3If there is an inflammatory component — persistent papules, pustules, eye involvement, or a bulbous change at the nose — we refer before we treat. That element responds to prescription therapy, and clearing the vessels around it is treating the least important part.
4Where fixed vessels are the main issue and your skin type is appropriate, a course of intense pulsed light is usually three sessions spaced roughly a month apart, with a maintenance session once or twice a year. We say that number up front because the alternative is somebody expecting the first one to finish the job.
5A barrier-first routine runs alongside all of it: gentle cleanser, one moisturiser, mineral sun protection, and nothing else new for a while.

What would make us decline

These are the answers we actually give in the room, and they are the reason the practice is called what it is called.

You have eye symptoms — grittiness, persistent dryness, recurrent styes, redness of the lid margins. Ocular rosacea is a medical problem with a real risk attached to leaving it, and we will send you to a physician rather than book a photofacial.
You are asking us to stop your face flushing. We cannot, no device can, and we will not sell you a course of treatment against a symptom it does not touch.
Your redness is accompanied by thickening tissue at the nose. That change is treated surgically or medically, and offering light-based treatment for it would be taking money for the wrong thing.
Your skin tone and intense pulsed light are a poor match. The safety margin narrows considerably in richer skin tones, and this is a treatment we decline on that basis more often than any other on the menu.

What this is not

Redness with pain, swelling, warmth, or a rash that spreads is an infection or an inflammatory condition, not a cosmetic concern. A butterfly-shaped rash across the cheeks and nose, redness with joint symptoms or fatigue, or any sudden onset of facial redness in an adult who has never flushed needs a physician. So does any eye involvement, without exception.

What we are required to tell you, in full

Questions about redness and rosacea

How do I tell rosacea from ordinary flushing?
Flushing comes and goes and leaves nothing behind. Rosacea leaves a background redness between episodes, tends to add fine visible vessels over years, and often brings papules or a stinging sensitivity to products. If your face is still pink an hour after the trigger has passed, that is worth a physician's opinion.
How many sessions will it take, honestly?
Typically three, four to six weeks apart, for fixed vessels, with a top-up once or twice a year afterwards. Some people get most of what they wanted from two. Nobody gets a finished result from one, and a practice that books one and lets you assume otherwise is doing you a disservice.
Will it come back?
The vessels treated do not return. New ones form, at a rate that depends on how often your face flushes and on how well the triggers are managed. That is why maintenance is in the plan from the start rather than presented as a disappointment later.
When is this something I should see a dermatologist about instead?
Eye symptoms of any kind. Papules and pustules that persist. Thickening skin at the nose. Redness with any systemic symptom. And redness that appeared suddenly rather than developing over years. Every one of those is a physician's assessment, and some of them are urgent.