Testimonials - What Our Customers Are Saying Sarah M. I’ve been using Kuhvai’s Lavender Oil for my sleep, and it’s been a game-changer. I fall asleep faster and sleep deeper than ever before. John L. I use the Immunity Blend every morning, and I haven’t caught a cold all season. It’s now part of my daily routine! Emma R. The Calming Blend is perfect for my evening ritual. It helps me unwind and clear my mind after a long day.