Import
SubsurfaceScatteringShader is an addon, and must be imported explicitly, see Installation#Addons.
import { SubsurfaceScatteringShader } from 'three/addons/shaders/SubsurfaceScatteringShader.js';Properties
.SubsurfaceScatteringShader : ShaderMaterial~Shader (inner, constant)
Subsurface Scattering shader.
Based on GDC 2011 – Approximating Translucency for a Fast, Cheap and Convincing Subsurface Scattering Look