Stephanie emphasizes the importance of applying oil before brushing out your hair with the Conair Curl Collective Coily Hair Comb. She advises against brushing dry hair and suggests lubricating it with plenty of oil to minimize breakage, loss, and shedding. By following this technique, Stephanie claims that your hair will become healthier, grow faster, and appear shinier. She recommends applying oil in sections and always starting from the bottom and working your way up when brushing. Overall, Stephanie's review highlights the comb's ability to promote hair growth and improve hair health. However, it's important to note that the review does not mention any potential drawbacks or limitations of the product.