In part 1, we reviewed patches, serums, moisturizer, hand cream, and body wash, all of which are prep work for the essentials we’ll run through as we continue exploring the standard product types in a robust beauty and skincare routine. Part 1 focused mostly on the face and body, but hair oil and treatments are also vital to beauty and scalp health. In addition to shampoo and conditioner to protect and nourish hair, oils help treat dry scalp, thinning roots, and frizzled ends.