I personally completely missed it, but around 2017/2018, washing your hair with champagne was the new trend to know about! I only found out now, after noticing a perfume in the product line of Cuvée Beauty, a brand offering anti-aging haircare infused with "youth-boosting, luxury ingredients." Now, I do enjoy a nice glass of champagne on a festive occasion, but it never occurred to me to try was...