I’ve been thinking a lot about beauty subscription services—you know, when you pay a fee and get a surprise package delivered to your doorstep each month? Subscriptions started with beauty, then the Honest Company started doing it with diapers—now people are even subscribing to get their razors! According to Forbes, subscription is the hottest trend since sliced bread. But subscribing means you have to trust the curator of the service to deliver products that you really want. And when it comes to a beauty subscription, there is no finer curator to trust than Jeannie Jarnot, a former spa director and the genius behind the brand-new Spa Heroes Beauty Subscription, which delivers…