NEW DELHI: Curd has long been a popular hair care ingredient. Whether you have dry, lifeless hair or dandruff, curd can help you quickly overcome these issues. But did you know that curd may also help your hair grow longer? Yes, it is true. Curd can provide apparent benefits in as little as a few days if used properly. Here are the five different ways to include curd into your hair care regimen that are most convenient for you.