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A calmer first week after your hair transplant.

A guide to hair transplant swelling, recovery and aftercare, including HBOT research on early healing, the six-session study schedule and the important pressure difference.

Understand the treatmentSee available times

The early days after a hair transplant can involve swelling, itching, scabbing and uncertainty about every new sensation. Published HBOT research reports encouraging early-recovery findings, but the studies used a higher pressure than our chamber.

That difference means we can explain the research and offer a calm, planned recovery service without promising that your result will reproduce a study performed at 2.4 ATA.

A man several days after a hair transplant pours a glass of water at home.
A well-planned recovery week should fit around your surgeon’s instructions. HBOT may support early recovery, but it cannot promise the final transplant result.

Why oxygen is being studied

The aim is to support the recovery environment.

Hyperbaric oxygen therapy means breathing concentrated oxygen inside a pressurised chamber. Pressure helps more oxygen enter the bloodstream and reach tissue. After transplantation, researchers have examined whether that environment affects the uncomfortable, visible part of early recovery—not whether HBOT replaces your surgeon’s aftercare.

What the studies reported

The clearest signal is in the first days and weeks.

Post-operative shedding, HBOT
27.6%

Fan et al., 2021.

Post-operative shedding, control
69.1%

Fan et al., 2021.

Published schedule
6sessions

Consecutive days.

Published pressure
2.4ATA

Our chamber runs at 1.5 ATA.

The same research reported less itching and folliculitis. A later case series described faster scab resolution and early comfort, but case series cannot establish cause and effect. At nine months, the difference in graft survival was not statistically significant. The useful, defensible interpretation is early recovery support—not a promise of more surviving grafts.

Evidence at a glance

Encouraging recovery data, with one important mismatch.

Published pressure

2.4 ATA

Six daily sessions in the research.

Our pressure

1.5 ATA

A related but not identical treatment.

Defensible focus

Early recovery

Not a graft-survival promise.

How the published plan worked

Six consecutive daily sessions.

The research schedule began within hours of surgery and continued daily. A practical Cardiff plan therefore needs coordinating before your transplant date, not after swelling has already become the problem.

Where our offer differs

Our chamber runs at 1.5 ATA.

That is lower than the 2.4 ATA research protocol. The mechanism remains relevant, but the numerical outcomes cannot be presented as the result you should expect here. Your transplant clinic’s instructions remain the primary aftercare plan.

Planning around your surgery

A calm recovery week can be organised in advance.

If your procedure is booked, reception can help you find consecutive chamber times around it. You can also try a single session first if understanding the chamber would make the decision easier. No referral needed. Every Course includes a medical consultation.

See available timesSee what a session involves

Questions before you plan.

Can HBOT help with hair transplant swelling?

The research reported encouraging early-recovery findings, including swelling-related outcomes, but it used 2.4 ATA rather than our 1.5 ATA chamber. We therefore explain the signal without promising the same result here.

Does HBOT improve graft survival?

The nine-month difference in the controlled study was not statistically significant, so we do not make that claim.

Does HBOT replace my aftercare?

No. Your surgeon’s washing, medication, sleeping and activity instructions remain the plan to follow.

When should I contact you?

Ideally as soon as the surgery date is confirmed, so consecutive times can be considered without disrupting your clinical aftercare.