I’m in my growing-my-hair-out era right now—going for a Korean-ish mullet vibe (a little BTS, a little Singles Inferno). The one thing that always ruins the flow when you’ve got thick hair is the sides puffing up and sticking out. That’s where a Korean down perm comes in: it’s a technique salons use to train the side hair to lay flatter against your head so everything grows out more clean and manageable. You can absolutely get it done at a salon, but it’s way cheaper (and honestly pretty easy) to do at home if you follow the rules. In this video, I break down the exact dos and don’ts that actually matter for getting a clean result. My biggest “do” is reading the instructions for your specific product and timing it properly—no guessing. I also show you why you need to use a liberal amount of product so your hair is fully coated and the papers can stick, plus why a headband setup can make the whole process easier. Then I get into the non-negotiable don’ts: don’t down perm overly processed or dyed hair (you’ll fry it), don’t shampoo for at least 12 hours after, and don’t skip moisturizing afterward—because you just chemically treated your hair, so you need to fortify it.