Shock Loss after hair transplant

In hair transplantation, fully visible results take several months to appear. In the meantime, the patient goes through several phases. One of them, which occurs between two and four weeks after the procedure, is known as Shock Loss. But what is it, and should you be concerned? Here is an explanation.

Hair transplant surgery is a minimally invasive procedure, so physical recovery is very quick, and within just 3 to 4 days you can usually resume your normal social and working life without any issues. As mentioned, there are several phases during the following months, and one of them—perhaps the most visible and potentially distressing for the patient if they are not aware of it—appears around 2 to 4 weeks after the procedure.

This phase is known as Shock Loss or the “desert phase.” It is a stage in which between 20% and 80% of the transplanted hair may shed. This is normal and has a scientific explanation related to the hair growth cycle. During this time, the hair shifts from the anagen phase (active growth) to the telogen phase (resting phase).

Even though the hair falls out and the density appears lower than expected, there is no need to worry. The follicular structure remains secured beneath the skin and will eventually produce new hair, which will start growing again within weeks.

How long does Shock Loss last?

Shock Loss typically lasts around one month. Hair shedding may continue for about two weeks, followed by regrowth over the next two weeks. These timelines are approximate, as each patient may experience the postoperative recovery differently. The phase may therefore be shorter or longer.

It should also be noted that the implanted hair is new, so its growth is initially slower than existing hair during the first months. After this period, the newly implanted hair will resume a normal growth rate.

At the same time as the shedding phase—and potentially lasting a few additional weeks—redness of the recipient area may occur. This is also a normal part of the hair transplant process and is not a cause for concern, as it is related to the formation of new blood vessels in the areas where previously there was nothing, and now we have new hair that needs to be nourished in order to grow. This phenomenon is known as the hyperemic phase.

FREQUENTLY ASKED QUESTIONS

When will the Shock Loss phase occur?

The Shock Loss phase typically appears two to four weeks after the hair transplant procedure. It is during this period that between 20% and 80% of the transplanted hairs may shed.

Is it possible to conceal Shock Loss?

No, it cannot be concealed, and for a few days there will be a noticeable reduction in hair density. However, to support faster recovery, it is essential to strictly follow the doctor’s instructions and the medical team’s advice, as well as not to forget any prescribed medication.

Is it possible to prevent Shock Loss after a hair transplant?

Many patients wonder how to avoid Shock Loss; however, the answer is not the desired one. It is not possible to prevent the post-transplant shedding phase. It will occur to a greater or lesser extent, but it must always be remembered that it is temporary and will progress to the growth phase within a few days.

When will the hair start to grow again?

The hair remains in the telogen phase for several weeks. After this period, the follicles will begin to grow again and the first results of the transplant will become visible.

When will final results be seen?

Final results of a hair transplant are typically seen one year after the procedure. Although significant improvement can be observed from 6 to 8 months onwards, the full result is assessed at 12 months. In the case of the vertex or crown area, this period may extend up to 18 months for final results.

Dr. Espinosa Custodio works at Instituto Médico del Prado, his hair clinic in Madrid, and performs hair transplants in Mexico, twice a year. If you would like to make an appointment, you can contact us on +34 912 468 664, on WhatsApp +34 627 396 322 or on the contact page of our website. From Mexico you can contact us at +52 55 4590 9909.