Hey there! I've been using a waist trainer for a while, and I've noticed some positive results. However, it's essential to remember that individual experiences may vary. It took me about a few weeks to start seeing noticeable changes, mainly when combined with a consistent workout routine and a balanced diet. As for risks, it's crucial to listen to your body. Wearing a waist trainer for extended periods can lead to discomfort and affect breathing. It's advisable to start with shorter durations and gradually increase. In terms of brands, But remember, finding the right fit for your body is key. Happy waist training, and feel free to ask if you have more questions!