Choosing the right lip balm while on Accutane is crucial to prevent dryness and irritation, as this medication can cause significant drying of the skin, including the lips. Here are some tips to help you choose the right lip balm and avoid irritation:

1. Look for hydrating ingredients: Opt for lip balms that contain moisturizing ingredients such as hyaluronic acid, glycerin, shea butter, or ceramides. These ingredients help to attract and retain moisture, keeping your lips hydrated.

2. Avoid irritants: Stay away from lip balms that contain potential irritants such as fragrances, menthol, camphor, or peppermint oil. These ingredients can further dry out and irritate your lips, causing discomfort.

3. Consider occlusive ingredients: Look for lip balms that contain occlusive ingredients like petrolatum, beeswax, or dimethicone. These ingredients create a protective barrier on the lips, preventing moisture loss and locking in hydration.

4. SPF protection: Accutane can make your skin more sensitive to the sun, so choose a lip balm that offers SPF protection. Look for a broad-spectrum lip balm with at least SPF 30 to shield your lips from harmful UV rays.

5. Patch test: If you have sensitive skin or are prone to allergies, it's a good idea to do a patch test before applying any new lip balm. Apply a small amount of the product on the inside of your wrist and wait for 24 hours to see if any adverse reactions occur.

6. Check the expiration date: Make sure to check the expiration date of the lip balm before purchasing it. Expired products may not be as effective and could potentially cause irritation.

7. Apply frequently: Accutane can cause severe dryness, so apply your lip balm frequently throughout the day. Carry it with you wherever you go to ensure your lips stay moisturized.

Remember, everyone's skin is different, so what works for one person may not work for another. If you experience any severe irritation or allergic reactions, discontinue use and consult your dermatologist for further guidance.