Detailed answer

Hair discoloration is typically not caused by allergies to skincare products. Allergic reactions to skincare products primarily affect the skin and can result in symptoms such as redness, itching, or swelling. However, some hair products may contain ingredients that can potentially cause hair discoloration, especially if used improperly or in excessive amounts. Chemical dyes, bleaches, or hair colorants can cause hair discoloration if not used according to the instructions or if someone is allergic to specific ingredients. In such cases, it is important to read the labels and perform a patch test before using hair products to minimize the risk of adverse reactions. If hair discoloration occurs, it's advised to seek assistance from a professional hairstylist or dermatologist to determine the cause and appropriate treatment options.