Most people describe it as mild discomfort rather than real pain. The needles used are finer than standard tattoo needles, and practitioners apply a topical numbing cream before starting. Some areas of the scalp are more sensitive than others (the temples and sides tend to be felt more), but the majority of clients find it very manageable.

How long does SMP last before it fades?

SMP typically lasts 2 to 5 years before noticeable fading. How quickly it fades depends on your skin type, sun exposure and aftercare. Oilier skin tends to fade faster. A touch-up session every few years keeps the result looking fresh, and these are usually quicker and cheaper than the original treatment.

Can you tell the difference between SMP and real hair?

When done well, SMP is very convincing. From a normal conversational distance, the pigment dots replicate the look of closely shaved hair follicles. Up close and in direct sunlight, a trained eye might notice the difference, but to most people, it simply looks like a buzzed head.

How much does SMP cost in the UK?

UK pricing typically falls between £800 and £3,500 for the full course of sessions. The cost depends on the area being treated (a full head costs more than just the hairline or crown), the practitioner's experience and the clinic's location. Most clinics include all sessions in one package price.

Can SMP cover scars from hair transplants?

Yes. Scar camouflage is one of the most common uses of SMP. It works on both FUE dot scars and FUT strip scars. The practitioner matches pigment to the surrounding follicle appearance so the scar blends in. Results vary depending on the scar tissue, but most clients see a significant improvement.

Is SMP suitable for women?

Absolutely. SMP can add the appearance of density to thinning areas, particularly along the parting line or crown. For women, SMP is typically used to reduce the contrast between the hair and scalp rather than creating a fully buzzed look. It works well alongside existing hair.

What Is Scalp Micropigmentation (SMP)? Process, Cost & Results Explained

How SMP Works

A trained practitioner uses a specialist needle (finer than a standard tattoo needle, typically 1 to 3 points) to deposit pigment into the upper dermis of the scalp. Each dot replicates the appearance of a single hair follicle.

The pigment is specifically formulated for scalp use. Unlike body tattoo ink, SMP pigment is designed not to spread, change colour or turn blue-green over time. It stays as a defined dot.

The depth of needle penetration matters. Too shallow and the pigment fades quickly. Too deep and dots can blur or spread. This is why practitioner skill is the single biggest factor in getting a good result.

The Session Breakdown

SMP is completed over 2 to 3 sessions, spaced roughly 7 to 14 days apart. Here's what each session typically involves:

Session 1: The practitioner maps out the hairline shape, establishes density patterns and lays down the first layer of pigment. This session takes 2 to 4 hours depending on the area being treated. After this session, the result will look lighter once healed.
Session 2: Building on the healed first layer, the practitioner adds density and refines the hairline. The pigment will appear darker and more natural at this stage. Around 2 to 3 hours.
Session 3 (if needed): A final refinement session to adjust density, blend any areas and perfect the overall look. Usually 1 to 2 hours. Not every client needs a third session.

SMP Styles and Uses

SMP isn't one-size-fits-all. Practitioners adapt the technique depending on what the client needs:

Buzzed head look: The most common style. Pigment covers the entire scalp to simulate a freshly shaved head. Works for any level of hair loss, including complete baldness.
Density fill: For people with thinning hair who still have coverage. Pigment is placed between existing hairs to reduce the visible contrast between hair and scalp. Popular with women.
Hairline restoration: Recreates a receded hairline without treating the full scalp. Often used alongside existing hair.
Scar camouflage: Covers FUE dot scars, FUT strip scars or scarring from injuries or burns. The pigment is matched to surrounding follicle appearance.

Cost in the UK

SMP pricing in the UK generally ranges from £800 to £3,500 for a full course of sessions. The main factors that affect cost:

Treatment area: A full head treatment costs more than just the hairline or crown. Scar camouflage for a small area is usually at the lower end.
Practitioner experience: More experienced practitioners charge more, and in this field, experience makes a real difference to the result.
Location: London clinics tend to charge at the higher end of the range. Clinics outside of London are often more competitive.
Touch-ups: Most clinics include all initial sessions in the package price. Touch-ups a few years later typically cost £200 to £500.

How Long Does It Last?

SMP is semi-permanent. The pigment gradually fades over 2 to 5 years, depending on your skin type and lifestyle. It doesn't disappear completely; it lightens over time.

Sun exposure speeds up fading, which is why practitioners recommend using SPF on the scalp. Oilier skin types tend to fade faster because the natural oils break down the pigment more quickly.

When fading becomes noticeable, a single touch-up session can bring the result back to full strength. Touch-ups are quicker and less expensive than the original treatment because the foundation work is already in place.

Aftercare

The first few days after each session are the most important. Typical aftercare guidelines:

Avoid washing or wetting the scalp for 3 to 4 days
No swimming, saunas, steam rooms or heavy sweating for at least a week
Keep the scalp out of direct sunlight during the healing period
Don't shave the treated area for at least 5 days
Avoid touching or scratching the treated area (mild scabbing is normal)

After the initial healing period, the daily routine is straightforward: shave your head as normal and apply a decent moisturiser. Many practitioners recommend using an SPF daily, especially in the summer months.

Who Is SMP For?

SMP suits a broad range of people, but it's particularly well suited if you:

Like (or are open to) the closely shaved head look
Want a low-maintenance solution with no ongoing daily routine
Have complete hair loss and want the appearance of a full head of stubble
Have thinning hair and want to reduce visible scalp show-through
Want to cover scars from transplants, injuries or surgery
Aren't suitable for (or aren't interested in) surgical options

SMP works on all skin tones and all stages of hair loss. The pigment colour is custom-matched to your natural hair colour and skin tone.

How to Choose a Practitioner

The skill of your practitioner is everything with SMP. A few things to look for:

Portfolio of healed work. Fresh SMP looks good on everyone. What matters is how it looks after healing. Ask to see healed results, not just fresh photos taken in the chair.
Dedicated SMP specialist. Look for someone who does SMP as their primary focus, not as a side service alongside other beauty treatments.
In-person consultation. A good practitioner will want to see your scalp, discuss your expectations and design a hairline before committing to anything.
Client reviews. Google reviews from real clients are worth more than any marketing material.
Pigments and equipment.Ask what brand of pigment they use and whether it's specifically formulated for scalp micropigmentation (not repurposed body tattoo ink).

What Is Scalp Micropigmentation (SMP)?