Here i have an SSS-GPU solution trough the Ubershader Transmission depth, it is real depth transmittance.
I came across this thinking about a thing: Basically flesh is a refractive water mass going insanely high with the rougheness value cause of the cells and losses energy based on depth, so i tried exactly that.
Depending on the medium (wax,etc…) you can raise the IOR and change the transmission depth.
Simply get the Ubershader and set the settings you see in this screenshot, then tweak around with the transmittance DEPTH value! Also don’t forget that you have to have at least 4x bounces on in the ray settings for good results.
I think this is quasiSSS, and very fast. No CPU separate rendering anymore, etc.