If you are experiencing a salicylic acid rash, it's important to address it promptly to alleviate discomfort and prevent further irritation. Here are some steps you can take to treat a salicylic acid rash:

1. Stop using products containing salicylic acid: Discontinue using any skincare or cosmetic products that contain salicylic acid until the rash subsides. This will help prevent further irritation and allow your skin to heal.

2. Cleanse gently: Use a mild, fragrance-free cleanser to wash your face or affected area. Avoid using harsh soaps or cleansers that may further irritate your skin.

3. Apply a cool compress: Soothe the rash by applying a cool compress to the affected area. This can help reduce inflammation and alleviate itching.

4. Moisturize: Use a gentle, non-comedogenic moisturizer to keep your skin hydrated. Look for products that are free of salicylic acid and other potentially irritating ingredients.

5. Use over-the-counter hydrocortisone cream: If the rash is causing significant discomfort, you can apply a thin layer of over-the-counter hydrocortisone cream to the affected area. This can help reduce inflammation and itching. However, it's important to follow the instructions and not use it for an extended period without consulting a healthcare professional.

6. Avoid scratching: Although it may be tempting, try to avoid scratching the rash, as this can further irritate the skin and prolong the healing process.

7. Consult a dermatologist: If the rash persists or worsens despite home treatment, it's advisable to consult a dermatologist. They can provide a proper diagnosis and recommend appropriate treatment options based on your specific situation.

Remember, everyone's skin is unique, and what works for one person may not work for another. It's essential to listen to your skin, discontinue any products that cause irritation, and seek professional advice if needed.