Returns and customer complaints can eat up all your profit if you're in the wrong category, skincare especially is brutal for that. Plus you need products that don't require tons of customer support or you'll spend all day answering messages instead of growing. You can read about best dropshipping products to sell right now here
https://easync.io/articles/20-best-trending-products-for-dropshipping/ . Shows what's moving based on actual data, breaks down how much you can realistically make and how many others are selling the same thing, helps you get in before the market floods.