SMP or hair loss medication: what actually solves the problem?

If you are losing hair, you may have heard about minoxidil and finasteride, and you may also have come across scalp micropigmentation. Working out which is right for you, or whether you need all of them, can be confusing. This article answers that directly. SMP and hair loss medication do entirely different jobs, and understanding that distinction will help you make a clearer decision.

What each option actually does

Minoxidil and finasteride are medical treatments. Minoxidil, applied topically to the scalp, is thought to prolong the growth phase of the hair cycle and increase blood flow to follicles. Finasteride works by blocking dihydrotestosterone (DHT), the hormone responsible for shrinking follicles in male pattern baldness. Both can slow the progression of hair loss in men, and some men see partial regrowth. Neither is a cure, and neither works for everyone. A doctor prescribes and monitors both.

Scalp micropigmentation is something else entirely. It is a cosmetic hair replication procedure in which medical-grade pigment is deposited into the scalp at a depth of around 1.5 to 2 millimetres, creating the visual impression of follicles and greater hair density. It does not affect existing hair or follicles, and it does not slow hair loss. What it does is change how your scalp looks, immediately and visibly. For men with thinning hair who want the appearance of a fuller head of hair, SMP for density is a direct, predictable solution.

As Kate Dawes, Founding Director of Foli Sim with 42 years in the hair industry, explains: the medication question belongs with your GP or dermatologist, while the density question is where SMP comes in. These are not either/or decisions.

A direct comparison of SMP and hair loss medication

The table below sets out the key differences across the dimensions that matter most when making this decision.

Factor SMP (density treatment) Minoxidil Finasteride
Mechanism Cosmetic hair replication: pigment deposited into the scalp to replicate the appearance of follicles Medical: thought to extend the hair growth phase and improve follicle blood supply Medical: blocks DHT to slow follicle miniaturisation in male pattern baldness
What result to expect Visible increase in perceived scalp density; soft, natural appearance consistent across the treated area Possible slowing of hair loss; some men see partial regrowth, others see stabilisation only Possible slowing of hair loss; around two thirds of men see stabilisation or improvement
Timeframe to visible result Visible improvement after session one; full result settled at 30 days after the third session Typically 3 to 6 months before any change is visible; full assessment at 12 months Typically 3 to 6 months; full benefit assessment at 12 months
Sessions or ongoing commitment 3 sessions spaced several weeks apart; touch-up every 3 to 5 years thereafter Daily topical application; must be continued indefinitely or hair loss resumes Daily oral tablet; must be continued indefinitely or DHT levels and hair loss return
Reversibility Fades gradually over years; can be lightened with laser if needed Fully reversible on cessation Fully reversible on cessation; DHT returns to baseline within weeks
Side-effect profile (general) Temporary redness and tenderness post-session; risk of pigment fading if SPF not maintained; rare allergic reaction to pigment Scalp irritation, dryness, or itching common; rare systemic effects with oral formulations Sexual side effects reported by a minority of users; mood changes reported; discuss with prescribing doctor
Prescribed by a doctor No: delivered by an SMP practitioner Yes for oral; topical available over the counter in Australia Yes: prescription required in Australia

Can you combine SMP and medication?

Yes, and many men do. SMP and minoxidil or finasteride work on completely separate systems, so there is no conflict between them. Medication targets the biological process of hair loss; SMP addresses the visual result of that loss. Using both simultaneously is, in Foli Sim’s experience, increasingly common among men who want to slow further thinning while also improving how their hair looks right now.

There is one practical point worth knowing. If you are using minoxidil topically, discuss the timing with your practitioner before your SMP sessions. The scalp needs to be clean, dry, and free from topical products before treatment, and there is a short window after each session during which the skin is settling. Your practitioner will guide you on this at your consultation.

If you are considering starting either medication, that conversation belongs with your GP or dermatologist. Having SMP does not rule out medication, and being on medication does not rule out SMP. The two operate in entirely separate domains.

Who is a good candidate for SMP density work specifically

SMP for density suits men who have diffuse thinning rather than complete baldness, where hair is still present but the scalp is showing through. The treatment deposits pigment between existing hairs to reduce that visible contrast, giving the impression of a fuller head of hair. Whether you are blonde, grey, or dark-haired, the pigment shade is matched to your natural colouring. You can read more about density work on specific hair types, including fine and light hair, on our page covering SMP density for blonde hair.

Every client at Foli Sim, regardless of the degree of hair loss, completes 3 sessions. This is not a number that changes based on how mild or advanced the thinning is. Three sessions allow the practitioner to progressively build pigment density, assess how the skin has healed, and refine the result to a consistent, natural finish. You can find the full picture of what to expect between appointments on our SMP density healing process page.

Contraindications for SMP include active scalp conditions such as psoriasis flare-ups, eczema, or acne on the treated area, as well as keloid-prone skin. These are worth raising at your consultation so that the right timing can be confirmed.

The bottom line on SMP vs medication

If you are trying to decide between scalp micropigmentation and hair loss medication, the clearest framing is this: medication is a medical intervention you discuss with a doctor, while SMP is a cosmetic decision you make based on how you want your hair to look. For many men, the right answer is both. For men who have decided medication is not for them, or where medication alone has not delivered the density result they wanted, SMP stands entirely on its own as a solution. Kate and the Foli Sim team have delivered this work for thousands of Australian clients, and the question of whether to combine treatments comes up in almost every consultation. There is no single universal answer, but there is a right answer for each individual.

Ready to talk it through?

Foli Sim in Perth offers a personal consultation to answer your questions and recommend the right approach for you. Get in touch with Foli Sim to book your consultation.

Article Authored By
Picture of Michael Dawes

Michael Dawes

Michael Dawes is one of the Founding Partners and Managing Directors at Foli Sim and looks after the administration and the day to day management of the business. Michael is based in Foli Sim’s Perth studio.
Picture of Michael Dawes

Michael Dawes

Michael Dawes is one of the Founding Partners and Managing Directors at Foli Sim and looks after the administration and the day to day management of the business. Michael is based in Foli Sim’s Perth studio.