Cystic acne can indeed be influenced by diet in some individuals. Certain foods that are known to potentially trigger or worsen cystic acne include:

1. Dairy Products: Some studies suggest that dairy products, particularly high-fat dairy and products with added hormones, can exacerbate acne.

2. High-Glycemic Foods: Foods like white bread, sugary snacks, and processed foods can lead to blood sugar spikes, leading to increased inflammation and potential acne breakouts.

3. Foods with High Levels of Omega-6 Fatty Acids: Excessive consumption of foods rich in omega-6 fatty acids, such as vegetable oils like corn and soybean oil, may contribute to inflammation and acne development.

4. Saturated Fats: Foods high in saturated fats, such as fried foods, can potentially worsen acne due to their influence on hormone levels and inflammation.

5. Iodine-rich Foods: Some individuals find that iodine-rich foods like seaweed, iodized salt, and certain seafood may trigger acne flare-ups.

It’s important to note that triggers can vary from person to person, so it might be helpful to keep a food diary to track how your diet relates to your cystic acne and consider consulting a dermatologist for personalized advice and treatment recommendations.