Which Factors Affect How Often You Should Wash Your Hair?
Type of Hair
People with thin and straight hair should wash their hair more often than those with wavy or curly hair. This is because straight hair can be coated easily by oil, which makes it look very greasy. On the other hand, curly and thick hair appears drier as the sebum does not easily coat the strands. In fact, sebum plays an important role in having well-refined curls as curly hair requires more moisture to avoid frizzing and remain soft.
If you have curly or thick hair and wash it too often, it may result in hair loss or damage. This is particularly true when combined with certain hair styles and hair products. For the same reason, people with textured hair or tight curls should also avoid washing their hair too often, ideally only once per week or even fewer. [3]
