Question: I need a holistic solution that addresses skin and hair concerns, including lifestyle and nutrition advice.

If you're looking for a more comprehensive solution that takes into account your skin and hair problems along with advice on your lifestyle and diet, Cureskin could be a good option. This AI-based service offers customized treatment plans for skin and hair problems developed by a team of more than 40 experienced dermatologists. It includes a treatment plan with ingredients that have been tested in clinical trials, a diet plan and advice on other aspects of your life. Cureskin also includes regular checkups with a doctor and monthly follow-up care, so it's a more integrated approach to your skincare and haircare.

Another interesting project is SpoiledChild, which uses machine learning to make product recommendations based on individual profiles. With a variety of products like serums and hair masks, the system is designed to help you find a routine that works for you. It also focuses on sustainable packaging and offers an auto-refill subscription service so you can get the products you need when you need them.

If you want to focus more on nutrition and gut health, check out Viome. The service uses RNA sequencing technology to understand the link between your microbiome and your health, and it offers customized food lists, supplements and probiotics. It offers a detailed health score to guide food recommendations and supplement intake, and it's designed to help with digestive problems, fatigue and overall health.

Last, Revieve offers an integrated service for digital beauty advice. It combines AI and AR technology for advice on skincare, makeup, nutrition and more. It's good for people who want a digital beauty advice service that's got a lot of different elements, like AI-powered advisors and insights into what consumers are doing.