India, April 9 -- As summer peaks and air conditioners push both temperatures and bills higher, an old-school cooling hack is making a stylish comeback. Vetiver, or khus, long used in Indian homes, is being reimagined as a design-forward solution that blends function with earthy appeal. Traditionally seen in desert coolers, these woven root curtains are now finding their way onto windows, balconies, and even as soft partitions. Once lightly dampened, they release a distinct woody fragrance while allowing breezes to pass through, cooling indoor spaces naturally. Cooling works through evaporative action. As water sprinkled over the vetiver roots evaporates, it lowers the temperature of the air passing through, offering relief during dry summer afternoons without the harshness of artificial cooling. Beyond temperature control, vetiver brings added benefits. Its dense weave helps filter dust, while the natural oils in the roots can deter insects. The signature earthy scent also lends a calming, almost nostalgic quality to living spaces. Today, khus curtains are being embraced for their aesthetic value as much as their utility. Their warm, textured look pairs seamlessly with natural materials like cane, linen, and terracotta, making them a favourite in boho and minimal homes. Sustainable, sensory, and rooted in tradition, khus is having a quiet design glow-up....