When Does Hair Start to Regrow After Chemotherapy?

After undergoing chemotherapy, one of the most common concerns is hair regrowth. This phenomenon, symbolizing a return to normalcy and healing, is eagerly awaited by the patient.

A process that varies considerably from one person to another

Here's what you need to know to better understand and support this process:

Typically, hair regrowth can begin 2 to 3 weeks after the last chemotherapy session. Some patients may observe faster regrowth, while for others, it may take a bit longer.

We are not all equal when it comes to chemo

On average, hair grows back at a rate of 1 centimeter per month. The texture of the new hair can vary: some find that their hair is curlier, and/or finer than before. The color may also change temporarily.

The key role of the connective sheath

The connective sheath is a component of the hair bulb. It is a flexible membrane that gives the hair its shape and diameter. The more flexible it is, the larger the diameter of the hair will be, and thus the hair will be thicker. Over time, this membrane hardens. This is the natural aging of the hair. However, chemotherapy abnormally accelerates this process.

A change in texture is common after chemotherapy. The hair curls whereas before chemo, it was straighter. This is one of the signs that the connective sheath is altered and requires special care.

Beware of urban legends about hair growth after chemotherapy

The internet offers a plethora of 'grandmother's advice'. Most of the advice related to post-chemo hair growth has never been subject to serious studies. We will list in a future article all these urban legends which are both common, adopted by the majority, but which are totally destructive for your hair weakened by the treatment.

Opt for a healthy diet and lifestyle

A diet rich in essential nutrients, such as proteins, vitamins (especially Biotin and Vitamin E), and minerals, is crucial to promote healthy regrowth. Regular exercise, stress reduction, and adequate sleep are also beneficial.

Diet does not directly impact the hair and its regrowth. However, it helps to regain a body in good general condition, less tired and less deficient. In fact, this healthier body allows the hair to grow in the best conditions.

13% of patients naturally regain their hair.
In 2% of cases, the hair does not regrow at all. 85% are dissatisfied with the post-chemotherapy regrowth.

Fortunately, a solution exists and is effective if used after chemotherapy: the REDACTIV1 hair growth protocol. It is a multi-action serum that was formulated in 2017 by RENASCOR Laboratory. It is specifically dedicated to oncology patients.

Psychological support

Hair regrowth is a process that requires time and patience. It is important to remember that regrowth is a positive sign of recovery. Do not hesitate to seek support from support groups, online forums, or mental health professionals to accompany you in this stage.

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