From our library

Blog

Guides, comparisons and honest answers about treatment in Istanbul — written by the clinicians who do the work.

Hair

Graft survival: how long can hair grafts stay outside the body?

Grafts start losing viability after about two hours out of the body. Here is what happens in those hours, and why the holding solution matters more than speed.

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Hair

What is the safe maximum number of grafts in one session?

Between 4,000 and 5,000 grafts is the honest ceiling for a single day, and the limit is set by your donor area and out-of-body time, not by marketing.

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Hair

How many grafts per cm²? The density that decides coverage

Native scalp carries 70 to 100 follicular units per cm². A transplant that reaches 40 to 45 in the hairline already reads as full, and here is the arithmetic.

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Hair

Channel angle and direction: why a transplant looks natural

Hair leaves the scalp at 15 to 25 degrees at the hairline and spirals in the crown. Copying those angles channel by channel separates a natural result from an obvious one.

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Hair

Mapping the safe donor zone before a single graft is taken

The safe donor zone is a band six to eight centimetres tall at the back of the head. We measure its density and its borders before shaving, and both change the plan.

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Hair

Which blood tests are required before a hair transplant?

Hepatitis B and C, HIV, a full blood count, clotting times and glucose are the standard panel. Here is what each result changes about the day of your operation.

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Hair

The first wash after a hair transplant, step by step

The first wash is done on day three at the clinic, with lotion left on for thirty minutes before any water touches the grafts. Then you repeat it daily for ten days.

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Hair

Flying after a hair transplant: cabin pressure and timing

You can fly the day after surgery and most patients do. Cabin pressure does not harm grafts; the overhead locker, the dry air and the headrest are the real risks.

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Hair

How to photograph hair transplant results, month by month

Same light, same distance, same angles, dry hair and no product. Five photographs at fixed intervals are the only honest way to judge whether a transplant worked.

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Hair

Shock loss after a hair transplant: is your hair coming back?

Transplanted hairs shed between weeks two and eight in almost every patient, and some native hairs go with them. Here is what grows back, what does not, and when.

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Hair

Choi pen diameter: 0.6, 0.7 or 0.9 mm for your hair?

Choi implanters come in 0.6, 0.7 and 0.9 mm. The right one depends on how thick your grafts are, and the difference shows first at the hairline.

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Hair

DHI into thinning hair: adding density without shaving

DHI opens the channel and places the graft in one movement, so a surgeon can work between hairs you still have instead of cutting slits blind.

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