Biafine is very expensive in the U.S. and requires a prescription. In France it is sold over the counter just like Ibuprofen. It is safe enough to use daily on sunburns, radiation burns, and first or second degree burns.
It is only sold over the counter in France, but it is possible to buy online and have it mailed directly anywhere. Shipping is free with tracking, and it is the XL 186g tubes. For a tube half that size, it can be upwards of $180 in the States without insurance. Even with, it is pricey and for the tiny tubes.