• Patients receiving a chemotherapeutic agent likely to cause alopecia. Any patient receiving the following drugs may experience complete alopecia (dose and schedule dependent). If they are receiving such a drug for a non- malignant indication or solid tumor, they may be suitable for inclusion in the study and may benefit from the use of a scalp cooling device. Of the commonly used intravenous single cytotoxic agents, those most likely to cause complete alopecia (dose and schedule dependent) include alkylating agents (cyclophosphamide, ifosfamide, busulfan, thiotepa), antitumor antibiotics (dactinomycin, doxorubicin, epirubicin, idarubicin), antimicrotubule agents (paclitaxel, docetaxel, ixabepilone, eribulin), and topoisomerase inhibitors (etoposide, irinotecan). Alopecia is less common or incomplete with bleomycin, low-dose epirubicin or doxorubicin (especially \<30 mg/m2), oral cyclophosphamide, fluorouracil, gemcitabine, melphalan, methotrexate, mitomycin, mitoxantrone, the platinums (oxaliplatin, cisplatin, and carboplatin), topotecan, and the vinca alkaloids. Antibody-drug conjugates are also associated with variable hair loss, which is agent specific.

• Diagnosed with a non-malignant condition (such as Sickle Cell Disease or Aplastic Anemia) OR Diagnosed with a solid tumor (non-brain tumor)

• Patients must be at least 7 years old

• Patients should have a head circumference of 50 cm or greater