Can a 11 year old use head and shoulders?

Yes, an 11-year-old can use Head & Shoulders shampoo, as it is generally safe for children and effective for treating dandruff. However, it's important to check for any specific sensitivities or Allergies to the ingredients. If the child has a scalp condition or persistent dandruff, it's advisable to consult a pediatrician or dermatologist before use.