The brutal summer months are here. We use a variety of cooling substances, such curd or dahi, to combat the heat. The health benefits of curd or unsweetened yoghurt, which is rich in calcium, proteins, and vitamin B5, cannot be overstated. But curd is also essential for healthy hair, as it not only keeps the scalp moisturised but also helps to prevent hair loss and dandruff. Here's the dirt on why curd is a must-have for healthy hair.