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NEW YORK, Dec. 12 (Xinhua) -- Clinical trials for a cooling cap system were proved effective in preserving cancer patients' hair after chemotherapy, according to the U.S. San Antonio Breast Cancer Symposium.
The result was presented on Sunday by the symposium, one year after the U.S. Food and Drug Administration (FDA) approved the system.
The cooling action was projected to constrict blood vessels in the scalp and decrease activity of the hair follicles, which makes the hair be less affected by chemotherapy and reduces hair loss.
The trials showed that the cooling cap successfully preserved the hair of 51 percent of patients who used it, while those cancer patients who were in the control group and didn't use it lost their hair in every single case.
The most common side effects of the cooling cap include cold-induced headaches and neck-shoulder discomfort due to wearing it for an extended period of time, according to the FDA.
