Yes, RejûvaSil Silicone Scar Gel is eligible for HSA exemptions because it is classified by the FDA as a medical device.
With any HSA, it is important to keep both your receipt and any documentation in case your accountant requests proof. One strong piece of documentation is a note from your physician specifying the medical necessity.
Health Savings Accounts and the eligible products allowed under the program are determined by the IRS. You can review their requirements by searching Publication 502.
We have included a downloadable copy that your healthcare provider can sign here.