Nothing ruins a perfectly good summer day quite like a sunburn, and the steps you take immediately after can be critical to easing – or worsening – your pain. When your skin has had too much unprotected time in the sun, you'll likely notice symptoms like pain, inflammation, and heat within a few hours. It's crucial to begin treating sunburn as soon as you notice it. Here’s a dermatologist-approved guide to altering your skincare routine for sunburn, along with essential dos and don'ts.