diff --git a/package/Shaders/RunGrass.hlsl b/package/Shaders/RunGrass.hlsl
index 847d8393e6..c0e82d5ca8 100644
--- a/package/Shaders/RunGrass.hlsl
+++ b/package/Shaders/RunGrass.hlsl
@@ -521,14 +521,10 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 	float screenNoise = Random::InterleavedGradientNoise(input.HPosition.xy, SharedData::FrameCount);
 
 	// Swaps direction of the backfaces otherwise they seem to get lit from the wrong direction.
-	if (!(Permutation::ExtraShaderDescriptor & Permutation::ExtraFlags::GrassSphereNormal)) {
+	if (!(Permutation::ExtraShaderDescriptor & Permutation::ExtraFlags::GrassSphereNormal))
 		if (!frontFace)
 			normal = -normal;
 
-		normal.z = max(0.0, normal.z);
-		normal = normalize(float3(normal.xy, max(0, normal.z)));
-	}
-
 	float3x3 tbn = 0;
 
 #			if !defined(TRUE_PBR)
@@ -631,7 +627,7 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 		lightsDiffuseColor += dirLightColor * dirDetailedShadow * saturate(dirLightAngle) * Color::VanillaNormalization();
 	}
 
-	float3 vertexColor = input.VertexColor.xyz;
+	float3 vertexColor = Color::ColorToLinear(input.VertexColor.xyz);
 
 #				if defined(SKYLIGHTING)
 #					if defined(VR)
@@ -643,10 +639,9 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 	float skylightingDiffuse = Skylighting::GetVertexSkylightingDiffuse(positionMSSkylight, normal, vertexAO);
 #				endif  // SKYLIGHTING
 
-	float3 albedo = max(0, baseColor.xyz * Color::ColorToLinear(vertexColor));
+	float3 albedo = baseColor.xyz * vertexColor;
 
-	float3 subsurfaceColor = lerp(dot(albedo, 1.0 / 3.0), albedo, 2.0) * saturate(input.VertexNormal.w * 10.0);
-	float3 sss = dirLightColor * dirDetailedShadow * saturate(-dirLightAngle) * Color::VanillaNormalization();
+	float3 subsurfaceColor = dirLightColor * dirDetailedShadow * saturate(-dirLightAngle) * Color::VanillaNormalization();
 
 	if (complex)
 		lightsSpecularColor += dirDetailedShadow * GrassLighting::GetLightSpecularInput(SharedData::DirLightDirection.xyz, viewDirection, normal, dirLightColor, SharedData::grassLightingSettings.Glossiness) * Color::VanillaNormalization();
@@ -715,7 +710,7 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 					lightDiffuseColor = lightColor * saturate(lightAngle);
 				}
 
-				sss += lightColor * saturate(-lightAngle);
+				subsurfaceColor += lightColor * saturate(-lightAngle) * Color::VanillaNormalization();
 
 				lightsDiffuseColor += lightDiffuseColor * Color::VanillaNormalization();
 
@@ -752,9 +747,8 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace : SV_IsFrontFace)
 #				endif
 
 	diffuseColor += directionalAmbientColor;
-
+	diffuseColor += subsurfaceColor * albedo * SharedData::grassLightingSettings.SubsurfaceScatteringAmount;
 	diffuseColor *= albedo;
-	diffuseColor += max(0, sss * subsurfaceColor * SharedData::grassLightingSettings.SubsurfaceScatteringAmount);
 
 	directionalAmbientColor *= albedo;
 
@@ -902,9 +896,7 @@ PS_OUTPUT main(PS_INPUT input)
 	float3 ddy = ddy_coarse(input.WorldPosition);
 	float3 normal = -normalize(cross(ddx, ddy));
 
-	normal = normalize(float3(normal.xy, max(0, normal.z)));
-
-	float3 vertexColor = input.VertexColor.xyz;
+	float3 vertexColor = Color::ColorToLinear(input.VertexColor.xyz);
 
 #			if defined(SKYLIGHTING)
 #				if defined(VR)