Detailed answer

Hair and scalp extraskeletal myxoid chondrosarcomas are rare and aggressive types of cancer that develop from cartilage cells. They are not caused by allergies to skincare products. Allergies to skincare products typically result in localized skin reactions such as redness, itching, or rashes. However, it is important to note that any persistent or unusual symptoms should be evaluated by a medical professional for proper diagnosis and treatment.