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← The DC JournalHair

How Many PRP Sessions Does Your Hair Need?

Plan for 3 to 4 close sessions to kick-start regrowth, then about one maintenance session a year. Why a single session isn't enough.

East-Asian man in his thirties with dense hair, how many PRP sessions are needed

For most people, 3 to 4 close sessions to start, then a maintenance session about once a year. The exact number depends on your type of loss, your stage, and how you respond to the first sessions.

Maybe you were hoping one session would settle it. That's a normal expectation, and we'd rather tell you now what the protocol involves. As a reminder, hair PRP is your blood spun to concentrate the platelets, which we then place back into the scalp. Here we explain why it takes several sessions, what you'll see at each step and how we set your plan.

Why one session isn't enough

The principle

PRP works through gradual stimulation. A dormant follicle doesn't wake up all at once; it needs several successive signals to restart.

  • The first session activates the follicles
  • The second consolidates and amplifies what has started
  • The third drives regrowth
  • The fourth, when needed, stabilizes the gain

Why wait 3 to 4 weeks between sessions

During that interval:

  • the platelets placed release all of their growth factors;
  • the follicle takes up the stimulation;
  • your body replaces what was drawn.

Sessions too close together waste part of the effect. Too far apart, you lose the momentum of the previous session.

The protocol for men and for women

For men, four sessions

Why:

  • Male androgenetic hair loss generally moves faster
  • The areas to treat are larger (crown, temples, hairline)
  • Starting density is often lower

That's the basis of DC Prime, which includes four sessions over two to three months, three to four weeks apart, then an assessment to set maintenance.

For women, three sessions

Why:

  • Loss is more often diffuse than localized
  • The response to treatment is often faster
  • The total surface to treat is sometimes smaller

That's the basis of DC Bloom, which includes three sessions three to four weeks apart. A scalp assessment comes first, because for women we check iron, thyroid and hormones before treating.

These numbers are averages. We set your plan at the assessment, based on your situation.

Two gloved hands part a woman's hair and place an injection into the scalp

How our two programs work

DC Prime, for men

  1. A full assessment. We determine your stage and check that PRP suits you.
  2. Two PRP sessions, two weeks apart, to reactivate the follicles that are still active.
  3. One PRP session with exosomes, the amplification step, placed when it has the most effect.
  4. One stabilizing session, to keep the gain from the previous weeks.

The DC Prime Exo version adds exosomes to all four sessions rather than just one.

DC Bloom, for women

  1. A scalp assessment. We first rule out a correctable cause, like low iron or a thyroid problem.
  2. Two PRP sessions, prepared from your own blood.
  3. One PRP session with exosomes, the one that amplifies the signal sent to the follicle.

A maintenance plan follows, based on your response. The DC Bloom Exo version adds exosomes to all three sessions.

When will you see a difference?

The markers below describe a typical progression. They don't guarantee a result.

After the first session, 4 to 6 weeks

  • Shedding slows. It's almost always the first change.
  • Hair is shinier and stronger to the touch
  • The scalp is in better shape

After the second, 8 to 10 weeks

  • Existing hair thickens visibly
  • Shedding drops clearly
  • Texture changes

After the third, 12 to 16 weeks

  • Regrowth appears in the treated areas
  • Density increases measurably
  • For many people, the result reaches its best level here

After the fourth, 16 to 20 weeks

  • The result completes in more complex cases
  • The gain consolidates
  • We plan maintenance

Maintenance

Do you really need it?

Yes. Without maintenance, hair gradually returns to its starting state over a year to eighteen months. Maintenance sessions are there to keep what the protocol helped you gain.

The rhythm

The first year: one to two sessions. After that: one session every six to twelve months, depending on your response.

Signs it's time to come back

  • Shedding picks up slightly
  • Hair loses some of its shine
  • Your hair seems less thick than a few months ago

Your blood affects the result too

PRP is made from your plasma, and the quality of that plasma varies with your lifestyle.

What improves your plasma

A balanced diet, with enough protein, iron, zinc and B vitamins, and 1.5 to 2 litres of water a day.

Sleep, 7 to 8 hours, at regular times. Regeneration happens at night.

Moderate physical activity, which improves circulation and tissue oxygenation.

Less stress. Permanently elevated cortisol directly slows hair growth.

What depletes it

Smoking, which reduces blood oxygenation and alters platelets. It's the factor that weighs the most.

Excess alcohol, which disrupts cellular regeneration and slows healing.

An unbalanced diet, which leads to deficiencies and background inflammation.

Chronic lack of sleep, which affects growth hormone production.

We know changing habits isn't easy, and nobody here will lecture you. We bring it up because it's the one way to improve the result that costs you nothing.

If PRP doesn't give you what you hoped for

The signs

After three or four sessions, the result is below your expectations, the improvement stalls, or shedding comes back quickly between sessions? It's time to consider another approach.

Why some people respond less well

Less rich plasma, with significant chronic stress, an underlying condition, medication that affects clotting, or habits that won't change.

Loss that's too advanced, with atrophied follicles, a fibrosed scalp or completely bare areas. In those areas, PRP has no follicles left to wake.

Genetics. The response varies from person to person, and nobody can predict it in advance.

Exosomes, another option

PRP uses what's in your blood. Exosomes bring growth factors prepared in a laboratory.

What that changes:

  • They don't depend on your health. The concentration is the same at every session.
  • There's no blood draw.
  • The signal sent to the follicle is more sustained.

Exosomes are not approved by Health Canada for hair regrowth, even though their use is common in clinics, and there's no very long-term data yet.

PRP or exosomes: how we choose

PRP, if:

  • You're in good general health
  • Your habits are balanced
  • Your loss is mild to moderate
  • You prefer everything to come from you

Exosomes, if:

  • PRP didn't give you what you hoped for
  • Your habits aren't going to change this year
  • You live with chronic stress
  • A contraindication rules out the blood draw
  • You simply don't want a draw
Close-up of a part line in brown hair, density visible right at the scalp

How we set your protocol

What we assess

At the hair eligibility consultation, our nurse looks at:

Your hair: the stage of loss on the Hamilton or Ludwig scale, the quality of the remaining hair and the state of the scalp.

Your health: your habits, stress level, sleep, diet and medication.

Your expectations: the result you want, the time you have and your budget.

What we may then suggest

  • DC Bloom or DC Prime, depending on your profile
  • The Exo versions, when we want a more sustained signal
  • DC-Exo alone, if PRP isn't right for you
  • A postponement of a few weeks to prepare the ground, if that's what's holding things back

We reassess after each session and adjust what comes next based on your response.

How to give yourself the best odds

Before

Two weeks before, eat more protein, drink more water, and cut back on alcohol and tobacco.

48 hours before, don't take anti-inflammatories or aspirin without advice, and get a good night's sleep.

During the protocol

Between sessions, keep up your good habits, use gentle hair products and protect your scalp from the sun.

What to watch: how shedding evolves, changes in texture and new short hairs appearing.

After

At six months, we do a photo review, a density assessment and the maintenance schedule.

What does it cost over a year?

The biggest expense comes in the first year, with the full protocol. After that, one to two sessions a year is enough. Daily solutions never stop, and that's where PRP compares well.

Prices per session and per program are in our article on prices and on each program page. Taxes extra.

In short

The number of sessions depends on you. Some people get an excellent result in three sessions, others need four, and others will respond better to exosomes. Either way, PRP takes a series of sessions, and the stage you start at matters more than the exact number.

To see where you stand, start with our hair page.

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