Yes, we've read this as well. I've personally tried it in the sun as a preliminary "test." I was working in the yard one morning and I applied it to one shoulder, and then nothing on the other. It seemed like the shoulder with the raspberry seed oil was more burned than the other. So, don't know if maybe it rubbed off or if perhaps its spf properties are exaggerated or untrue. I did try it on my face another time and it did seem to work a little there...but it's hard to say one way or another without actually sending it out for spf testing in a lab setting.
From a legal standpoint, sunscreens are classified as drugs. So, they must have active ingredients that are on the approved list. Raspberry seed oil is not on that approved list, and it takes literally about a million dollars worth of research and legal fees to get an "active" on the approved list. So, even if it does have some kind of spf, it would take the backing of a large company to get it approved...and then to recoup their investment, they would have to sell millions of units of sunscreen to earn their money back. Well...the world's red raspberry seed oil really isn't available in such a quantity, and it's highly expensive, and it really doesn't have a shelf life that large manufacturers consider to be acceptable (they need at least 3 years) so it can't really be used at such a scale that a company would be able to make their money back by getting it approved...so, it continues to be an ingredient with a rumored spf, but that will likely never become an active sunscreen ingredient.
The internet sites that state the spf of red raspberry seed oil are all based on one study done in 2000. I have read the study and it appears to be credible...however, much more needs to be known and studied before any definitive spf can be attributed to the oil.
As for if it's safe as a face and body oil--absolutely! It is very high in antioxidants and is fabulous for your skin.