Increase ranges of SSS parameters

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

         bsdfData.fresnel0 = 0.04; /* 0.028 ? */
         bsdfData.subsurfaceProfile = surfaceData.subsurfaceProfile;
         // Make the Std. Dev. of 1 correspond to the effective radius of 1 cm (three-sigma rule).
-        bsdfData.subsurfaceRadius  = SSS_UNIT_CONVERSION * surfaceData.subsurfaceRadius;
+        bsdfData.subsurfaceRadius  = SSS_UNIT_CONVERSION * surfaceData.subsurfaceRadius + 0.0001;
         bsdfData.thickness         = SSS_UNIT_CONVERSION * (_ThicknessRemaps[bsdfData.subsurfaceProfile][0] +
                                                             _ThicknessRemaps[bsdfData.subsurfaceProfile][1] * surfaceData.thickness);
         bsdfData.enableTransmission = IsBitSet(_TransmissionFlags, bsdfData.subsurfaceProfile);
         bsdfData.fresnel0 = 0.04; /* 0.028 ? */
         bsdfData.subsurfaceProfile = (SSS_N_PROFILES - 1) * inGBuffer2.a;
         // Make the Std. Dev. of 1 correspond to the effective radius of 1 cm (three-sigma rule).
-        bsdfData.subsurfaceRadius  = SSS_UNIT_CONVERSION * inGBuffer2.r;
+        bsdfData.subsurfaceRadius  = SSS_UNIT_CONVERSION * inGBuffer2.r + 0.0001;
         bsdfData.thickness         = SSS_UNIT_CONVERSION * (_ThicknessRemaps[bsdfData.subsurfaceProfile][0] +
                                                             _ThicknessRemaps[bsdfData.subsurfaceProfile][1] * inGBuffer2.g);
         bsdfData.enableTransmission = IsBitSet(_TransmissionFlags, bsdfData.subsurfaceProfile);

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader

         _AnisotropyMap("AnisotropyMap", 2D) = "white" {}
 
         _SubsurfaceProfile("Subsurface Profile", Int) = 0
-        _SubsurfaceRadius("Subsurface Radius", Range(0.004, 1.0)) = 1.0
+        _SubsurfaceRadius("Subsurface Radius", Range(0.0, 1.0)) = 1.0
-        _Thickness("Thickness", Range(0.004, 1.0)) = 1.0
+        _Thickness("Thickness", Range(0.0, 1.0)) = 1.0
         _ThicknessMap("Thickness Map", 2D) = "white" {}
 
         // Wind

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.shader

         _AnisotropyMap("AnisotropyMap", 2D) = "white" {}
 
         _SubsurfaceProfile("Subsurface Profile", Int) = 0
-        _SubsurfaceRadius("Subsurface Radius", Range(0.004, 1.0)) = 1.0
+        _SubsurfaceRadius("Subsurface Radius", Range(0.0, 1.0)) = 1.0
-        _Thickness("Thickness", Range(0.004, 1.0)) = 1.0
+        _Thickness("Thickness", Range(0.0, 1.0)) = 1.0
         _ThicknessMap("Thickness Map", 2D) = "white" {}
 
         // Wind

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/SubsurfaceScatteringProfile.cs

                 Vector2 thicknessRemap = m_ThicknessRemap.vector2Value;
                 EditorGUILayout.LabelField("Min thickness: ", thicknessRemap.x.ToString());
                 EditorGUILayout.LabelField("Max thickness: ", thicknessRemap.y.ToString());
-                EditorGUILayout.MinMaxSlider(styles.sssProfileThicknessRemap, ref thicknessRemap.x, ref thicknessRemap.y, 0, 10);
+                EditorGUILayout.MinMaxSlider(styles.sssProfileThicknessRemap, ref thicknessRemap.x, ref thicknessRemap.y, 0, 1000);
                 m_ThicknessRemap.vector2Value = thicknessRemap;
 
                 EditorGUILayout.Space();