If you're in the market for a subscription service that delivers skincare and haircare products and automatically replenishes them to cut down on waste, SpoiledChild is a great choice. The company's smart system relies on its own machine learning algorithm, SpoiledBrain, to offer personalized product recommendations based on individual user profiles. With a variety of skin and hair care products including serums, moisturizers, hair masks and treatments, it offers sustainable packaging that's refillable, reusable or recyclable. And it's got an auto-refill subscription service to keep the products coming and waste to a minimum.