They’ve entrusted you with their contact details and shown an interest, so this follow-up email may be easy to write, but it’s also easy to get wrong. This is a great opportunity to give them some more information and background on your product or service.
Companies want to hire candidates that will give 110% and remain committed to the company. They’re trying to avoid candidates that want the job just because they need to pay the bills. Use the 2nd follow-up email as another opportunity to demonstrate your passion. Don’t overcomplicate the email. Sometimes straightforward is the best way to go.