Radiation therapy is a critical component in the battle against cancer, often employed to eliminate and control cancer cells within the body. It can significantly improve outcomes and enhance the quality of life for individuals facing the formidable disease. However, like any treatment, radiation therapy comes with its own side effects. One common question that arises is, "Does radiation therapy cause hair loss?" Yes, radiation therapy can cause hair loss in the area being treated. Hair loss occurs because the radiation damages hair follicles.
In this blog, we are going to shed light on this aspect of cancer treatment, discussing the causes, implications, coping strategies, and available support for those facing radiation-induced hair loss.
How Does Radiation Therapy Cause Hair Loss?
Radiation therapy, also known as radiotherapy, can cause hair loss (alopecia) in the area of the body being treated and under radiation exposure. While targeting and killing the cancer cells, the radiation also damages some healthy cells around them. This damage disrupts the normal hair growth cycle, leading to the shedding of hair in the affected region. Hair loss can usually start within 1 to 3 weeks after the first radiation therapy session.
What Are the Factors Influencing Hair Loss During Radiotherapy?
The severity of hair loss can vary based on factors such as dosage and duration of radiation treatment and the specific area of the body receiving radiation.
- Dosage: Dosage of radiation therapy is the primary influencing factor for hair loss. The higher the dosage, the more likely you lose your hair from radiation treatment. Hair loss may also be permanent with higher doses of radiation therapy.
- Area of treatment: The area of the body receiving radiotherapy is also a determining factor. Areas with denser hair follicles are more susceptible to substantial hair loss. Radiation-induced hair loss occurs only in the treatment region or where the radiation beams penetrate. For instance, if radiation is administered to the head, it affects solely the hair follicles in the specific area. Conversely, if radiation is targeted at other body parts, like the chest, legs, or abdomen, hair loss will only occur in those particular regions, sparing the hair on the head.
- Frequency and duration: The frequency and duration of the radiation exposure can also influence hair loss. More number of treatments and longer sessions potentially lead to more significant effects on your hair.
- Individual health: Individual conditions, such as your overall health and the radiosensitivity of hair follicles, can also create differences in how you experience hair loss.
Radiation Therapy Hair Loss vs. Chemotherapy Hair Loss
The targeted effect is one of the biggest differences between hair loss due to radiation and chemotherapy. Many chemo drugs travel through your entire body, affecting all fast-growing cells, including hair follicles. Whereas radiation targets only the treatment area and affects the hair follicles of that specific area.
Let's see the side-by-side comparison of the two treatments:
| Factor | Radiation Therapy | Chemotherapy |
| Affected Area | Localized; only in the targeted area of the radiation beam. | Systemic; hair loss all over the body. |
| Mechanism | Damages hair follicles in a specific, targeted treatment field. | Drugs circulate in the bloodstream and affect all fast-growing cells, including hair follicles. |
| Predictability | High chance of hair loss if the scalp is in the treatment field. | May or may not cause hair loss; varies by drug, dose, and individual. |
| Permanence | Usually temporary; but can be permanent especially with higher doses. | Usually temporary; hair can regrow after treatment ends. |
Is Hair Loss From Radiotherapy Permanent?
The good news is that radiation therapy-induced hair loss is usually temporary. The damaged hair follicles will become inactive during treatment, causing hair to thin and fall out. However, most follicles are not permanently destroyed. Once radiation therapy ends, the follicles typically start growing new hair again within a few months.
How Long Does It Take to Regrow Hair After Radiotherapy?
After radiation treatment, it may take 6 months to a year to see full hair regrowth. The new hair may have a different texture or color at first. Gradually, your regular hair usually grows back. Very rarely, high doses of radiation can permanently harm some hair follicles, resulting in permanent patches of hair loss. But for most people, radiation hair loss is temporary.
What Are the Other Side Effects of Radiotherapy?
According to the National Cancer Institute, radiation therapy can have various side effects depending on the part of the body being treated.
- If you are receiving radiation to your brain or head, you might experience side effects like fatigue, memory or concentration problems, and headaches.
- Depending on the duration and dose of the radiation, you might also experience skin problems such as redness, dryness, peeling, itching, and swelling.
- Additionally, if you are receiving radiation to your neck, throat problems such as trouble swallowing and mouth issues like dryness and soreness can be common side effects.
- Treatments for head and neck cancers that involve radiation can also damage the thyroid gland and lead to hypothyroidism.
Emotional Impact of Hair Loss From Radiotherapy
Radiation therapy is a critical component of cancer treatment. However, hair loss due to radiation therapy can be emotionally and psychologically challenging for individuals. It’s not merely a physical change but a transformation that affects self-esteem and body image. Dealing with changes in appearance can trigger a range of emotions, including anxiety, depression, and loss of confidence. It’s essential for individuals experiencing radiation hair loss to seek support from professionals, support groups, and loved ones to navigate these emotional challenges and other radiation therapy side effects.
How to Manage Hair Loss From Radiation Therapy?
Dealing with radiation-induced hair loss can be emotionally challenging, but there are several ways you can manage and cope with this temporary side effect effectively.
1. Scalp Massage
Scalp massage is another method that may help with hair loss from radiation therapy. Gently massage your scalp which can increase blood circulation and may promote hair regrowth. While massaging, keep in mind that you should treat your hair gently. Furthermore, avoid shampoo with harmful ingredients like parabens; always use a mild shampoo to wash your hair.
2. Healthy Diet
Maintain a well-balanced diet rich in vitamins, minerals, and proteins essential for hair health. Incorporate fruits, vegetables, lean proteins, and whole grains to support overall well-being and encourage hair regrowth.
Learn More: How Can You Promote Hair Growth with a Nutritional Diet?
3. Wig or Hairpiece
Consider investing in a wig or hairpiece made of natural hair or synthetic material that closely matches your natural hair color and style. This can help boost your confidence during the period of hair loss.
4. Consider a New Hairstyle
If radiation therapy makes your lose hair, a new hairstyle could help. If you’re comfortable doing so, experiment with different hairstyles that suit your current hair situation. A new haircut or style can help you feel more in control and confident.
5. Use Sun Protection
Protect your scalp from sun exposure by wearing a hat or using sunscreen to prevent sunburn. A sunburned scalp can be uncomfortable, especially during hair loss.
Find out more how sunburned scalp can cause hair loss.
6. Using Minoxidil
A 2020 study published in JAMA Dermatology concluded that minoxidil effectively promotes hair regrowth. This was observed in patients who have experienced hair loss due to radiation therapy to treat brain tumors and other head and neck cancers. Therefore, using a topical minoxidil could be the best approach to encourage hair regrowth during and after radiation therapy.
7. Seek Emotional Support
Dealing with the radiation hair loss can be emotionally distressing. It’s important to seek support from professionals, support groups, and loved ones to navigate these feelings. Talking with others who had gone thorough similar experiences can calm your feelings and can give a sense of comfort. So, grooming with them, taking advices from them can be a valuable emotional support.
8. Use Laser Hair Therapy
Laser hair growth helmets, also known as low-level laser therapy (LLLT) devices, are sometimes used to stimulate hair regrowth in various conditions, including androgenetic alopecia (pattern baldness), hair loss associated with aging as well as radiation-induced hair loss. You need to consult your healthcare team if you want to opt for laser hair therapy.
Theradome LH80 PRO is the world’s most technologically advanced laser hair therapy device. Any patient can use it in the comfort and privacy of their homes. At-home laser hair therapy devices do not disrupt compliance or decrease treatment efficacy. With this approach, you can potentially reverse radiation-induced hair loss faster.
Conclusion
Radiation therapy often leads to hair thinning or loss, specifically in the area receiving treatment. Understanding that this change is typically localized can help you manage expectations during your recovery. While the timeline for regrowth varies for everyone, focusing on scalp health is a vital first step in the restoration process.
It is essential to consult your doctor or oncology team before starting any new scalp treatments or restoration protocols. They can provide personalized medical guidance based on your specific treatment plan and overall health. Professional advice ensures that your hair care routine remains safe and effective throughout your healing journey.
Once cleared by a medical professional, utilizing advanced laser phototherapy can help energize dormant follicles and support a healthier scalp environment. Theradome offers a non-invasive way to stimulate cellular activity and encourage thicker regrowth. Explore our clinical-grade solutions today to take a proactive step toward restoring your hair’s natural vitality.
