Key Takeaways

Researchers developed a gel to help protect hair during chemotherapy

It contains lidocaine and adrenalone, which work by restricting blood flow to the scalp

Human trials haven’t started yet, but researchers are seeking funding

THURSDAY, Sept. 4, 2025 (HealthDay News) — A new shampoo-like gel developed by researchers at Michigan State University could help protect cancer patients from a common and dreaded side effect of chemotherapy : Hair loss.

The gel, which has been tested in animal models, is designed to be applied to the scalp before treatment and left on while chemotherapy drugs circulate through the body.

“This unmet need of chemotherapy-induced alopecia appealed to me because it is adjacent to the typical needs in medicine such as better treatments and earlier,

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