“Chemo curls” refers to a common, often temporary alteration in hair texture that some individuals experience after undergoing chemotherapy. This change can be surprising, as hair that was once straight might regrow with a curly, wavy, or different pattern. This distinct side effect reflects the body’s recovery process.
The Science Behind Chemo Curls
Chemotherapy drugs are designed to target and destroy rapidly dividing cells, like cancer cells. However, hair follicle cells are also among the fastest-growing cells in the body, making them susceptible. When chemotherapy drugs disrupt the hair follicles, they can interfere with the normal hair growth cycle.
This disruption impacts the hair matrix cells, which are responsible for forming the hair shaft. The drugs can temporarily alter the shape and function of the hair follicle. Damage to these cells can lead to new hair growing back with a modified structure. Different chemotherapy agents can have varying effects on hair, and the specific drugs, dosage, and duration of treatment influence the degree of change.
Characteristics and Duration
When hair regrows after chemotherapy, its characteristics can be different from its pre-treatment state. Many individuals observe their hair growing back curlier, wavier, or coarser. The texture might also be thinner, more fragile, or uneven in patches during the initial regrowth phase. Beyond texture, changes in hair color are also possible, such as darker, lighter, or a different hue.
The duration of chemo curls varies considerably. Often, these changes are temporary, and hair gradually returns to its original texture over several months or even years as the body recovers. Hair typically begins to regrow within three to six months after treatment concludes. While the curls may persist for a year or more, for some, the change can be permanent, indicating lasting alterations to the hair follicles.
Managing and Styling Chemo Curls
Caring for chemo curls involves a gentle approach, as new hair can be fragile and sensitive. Using mild, sulfate-free shampoos and hydrating conditioners helps cleanse the hair without stripping its natural oils and provides moisture. Detangle hair gently with a wide-tooth comb or wet brush, starting from the ends to minimize breakage. Air-drying is preferable, as heat styling tools can be harsh on delicate new growth and may contribute to frizz.
Embrace the new texture by using curl-enhancing products like mousses, gels, or curl creams to define the curls. Natural oils such as coconut oil provide hydration and improve hair health. Regular trims are important to maintain hair health and shape, especially as the hair grows out and its texture potentially normalizes. Patience is important, as full recovery and return to the pre-chemo state can take time. Consulting a hairdresser experienced in post-chemo hair can provide tailored advice and support.