Some time ago, a friend of mine also found hair in food. Call 123 15. The industrial and commercial bureau came soon, detected that the hair was under the armpit, and the friend got satisfactory compensation.
You can also complain to the Consumers Association and request mediation from the Consumers Association.
Of course, you can also bring a lawsuit directly to the court.
You can ask for a refund to compensate for the losses caused by this incident, such as lost time and transportation expenses. You can also ask for certain mental compensation. But it must be reasonable to get the support of the court.