# \#subsurface **URL:** https://forums.unrealengine.com/tag/subsurface/3721.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [\[UE5.8\] "Extended GBuffer" option breaks Subsurface Profile SSS on Mobile Deferred Shading](https://forums.unrealengine.com/t/ue5-8-extended-gbuffer-option-breaks-subsurface-profile-sss-on-mobile-deferred-shading/2730068)
**Author:** [@Rising2014](https://forums.unrealengine.com/u/Rising2014)\ **Replies:** 1\ **Last updated:** [August 4, 2026, 9:00am UTC](https://forums.unrealengine.com/t/ue5-8-extended-gbuffer-option-breaks-subsurface-profile-sss-on-mobile-deferred-shading/2730068 "2026-08-04T09:00:38Z")
Summary On UE 5.8, enabling “Extended GBuffer” (Project Settings → Engine → Rendering → Mobile) completely disables the Subsurface Profile shading model’s SSS effect on Mobile Deferred Shading. Disabling this option imme… --- ## [Does path tracer support subsurface profile in substrate materials?](https://forums.unrealengine.com/t/does-path-tracer-support-subsurface-profile-in-substrate-materials/2689447)
**Author:** [@kk13](https://forums.unrealengine.com/u/kk13)\ **Replies:** 1\ **Last updated:** [January 5, 2026, 7:07pm UTC](https://forums.unrealengine.com/t/does-path-tracer-support-subsurface-profile-in-substrate-materials/2689447 "2026-01-05T19:07:07Z")
When I render materials using subsurface profile with normal lighting, everything works fine. However, when I switch to path tracer, the subsurface profile has no effect at all. Is this because path tracer currently does… --- ## [Subsurface shadows not working with directional light?](https://forums.unrealengine.com/t/subsurface-shadows-not-working-with-directional-light/424285)
**Author:** [@anonymous\_user\_c93a180c](https://forums.unrealengine.com/u/anonymous_user_c93a180c)\ **Replies:** 4\ **Last updated:** [September 16, 2023, 8:38pm UTC](https://forums.unrealengine.com/t/subsurface-shadows-not-working-with-directional-light/424285 "2023-09-16T20:38:58Z")
I don’t know if I’m using the right terms, but If you look at the pictures below, it should make sense. I want my foliage with subsurface properties to be affected by shadows. For example, when there is light projected a… --- ## [Enabling hardware ray traced shadows ruins look of subsurface material. How can I fix this?](https://forums.unrealengine.com/t/enabling-hardware-ray-traced-shadows-ruins-look-of-subsurface-material-how-can-i-fix-this/791585)
**Author:** [@ETS\_1](https://forums.unrealengine.com/u/ETS_1)\ **Replies:** 0\ **Last updated:** [March 15, 2023, 7:36pm UTC](https://forums.unrealengine.com/t/enabling-hardware-ray-traced-shadows-ruins-look-of-subsurface-material-how-can-i-fix-this/791585 "2023-03-15T19:36:55Z")
I found that ray traced shadows greatly speed up my project. The problem is that they also ruin the look of my subsurface cloth material in the folds, they aren’t illuminated as expected. Is it possible to get a look wi… --- ## [Improper sub surface scattering with instanced foliage](https://forums.unrealengine.com/t/improper-sub-surface-scattering-with-instanced-foliage/727549)
**Author:** [@Tbunreal](https://forums.unrealengine.com/u/Tbunreal)\ **Replies:** 3\ **Last updated:** [December 13, 2022, 9:39pm UTC](https://forums.unrealengine.com/t/improper-sub-surface-scattering-with-instanced-foliage/727549 "2022-12-13T21:39:35Z")
Hi, when I place my tree as a instanced foliage mesh, my sub surface scattering seems to get effected, any ideas? Proper non instance: improper foliage instance: --- ## [Strange shadow artifact](https://forums.unrealengine.com/t/strange-shadow-artifact/488412)
**Author:** [@RNRCFan](https://forums.unrealengine.com/u/RNRCFan)\ **Replies:** 0\ **Last updated:** [September 5, 2021, 2:50pm UTC](https://forums.unrealengine.com/t/strange-shadow-artifact/488412 "2021-09-05T14:50:03Z")
Hello there! So I was experimenting on some curtain-like material, and I found something close enough to what I’d like to achieve, simply with subsurface shading model. The result I’m trying to achieve is the following… --- ## [次表面材质阴影出现锯齿，阴影过渡为锯齿](https://forums.unrealengine.com/t/topic/488081)
**Author:** [@buggzd](https://forums.unrealengine.com/u/buggzd)\ **Replies:** 0\ **Last updated:** [August 27, 2021, 3:46pm UTC](https://forums.unrealengine.com/t/topic/488081 "2021-08-27T15:46:58Z")
--- ## [Subsurface Profile opens up blank](https://forums.unrealengine.com/t/subsurface-profile-opens-up-blank/438265)
**Author:** [@dkreset](https://forums.unrealengine.com/u/dkreset)\ **Replies:** 1\ **Last updated:** [March 13, 2021, 12:22am UTC](https://forums.unrealengine.com/t/subsurface-profile-opens-up-blank/438265 "2021-03-13T00:22:18Z")
When I first installed UE4 it worked and I was able to open the subsurface profile with the detail tab to adjust the settings. Now it opens up nothing doesn’t matter how many new ones I create, in what project. Even aft… --- ## [Subsurface shading gradient disappear when static lights baked](https://forums.unrealengine.com/t/subsurface-shading-gradient-disappear-when-static-lights-baked/478192)
**Author:** [@Voidman163](https://forums.unrealengine.com/u/Voidman163)\ **Replies:** 0\ **Last updated:** [February 3, 2021, 1:05pm UTC](https://forums.unrealengine.com/t/subsurface-shading-gradient-disappear-when-static-lights-baked/478192 "2021-02-03T13:05:20Z")
the title may look confusing. I’ll try my best to explain. I made a material for a lantern mesh, just a mesh looking like a bowl. I changed the shading model into subsurface and set pure red to base color and subsurface… --- ## [How to change r.sss.checkerboard???](https://forums.unrealengine.com/t/how-to-change-r-sss-checkerboard/475434)
**Author:** [@anonymous\_user\_d7206d63](https://forums.unrealengine.com/u/anonymous_user_d7206d63)\ **Replies:** 0\ **Last updated:** [December 4, 2020, 8:59pm UTC](https://forums.unrealengine.com/t/how-to-change-r-sss-checkerboard/475434 "2020-12-04T20:59:00Z")
I’m having an issue Unreal is well aware of and hasn’t fixed yet where subsurface materials break and ignore the color map, turning things white: Unreal Engine Issues and Bug Tracker (UE-41814) The say that it can be fi… --- ## [Toon shaders shadows too dark ,Using Emmisive/Subsurface](https://forums.unrealengine.com/t/toon-shaders-shadows-too-dark-using-emmisive-subsurface/473352)
**Author:** [@anonymous\_user\_38a8818e1](https://forums.unrealengine.com/u/anonymous_user_38a8818e1)\ **Replies:** 0\ **Last updated:** [October 23, 2020, 5:27am UTC](https://forums.unrealengine.com/t/toon-shaders-shadows-too-dark-using-emmisive-subsurface/473352 "2020-10-23T05:27:48Z")
I am using a Toon shader for my project, I want my dynamic lights to cast shadows on my objects but I don’t want them to ever be too black. Using an emissive does what I want, but then my objects glow in darker/ black ar… --- ## [Burley subsurface renders yellow on Vulkan](https://forums.unrealengine.com/t/burley-subsurface-renders-yellow-on-vulkan/471496)
**Author:** [@anonymous\_user\_62dd470b](https://forums.unrealengine.com/u/anonymous_user_62dd470b)\ **Replies:** 0\ **Last updated:** [September 17, 2020, 2:12pm UTC](https://forums.unrealengine.com/t/burley-subsurface-renders-yellow-on-vulkan/471496 "2020-09-17T14:12:05Z")
Hi, All you need to do to reproduce this issue is download the digital human demo from epic Engine Feature Examples for Unreal Engine | Unreal Engine 5.2 Documentation Switch to vulkan and load up Mike. His eyes will … --- ## [开启光追反射，渲染次表面材质显示泛红 enable ray tracing reflection，the reflection of Subsurface ShadingModel Material rendering result is red color](https://forums.unrealengine.com/t/enable-ray-tracing-reflection-the-reflection-of-subsurface-shadingmodel-material-rendering-result-is-red-color/463422)
**Author:** [@peterzhou](https://forums.unrealengine.com/u/peterzhou)\ **Replies:** 2\ **Last updated:** [April 10, 2020, 9:16pm UTC](https://forums.unrealengine.com/t/enable-ray-tracing-reflection-the-reflection-of-subsurface-shadingmodel-material-rendering-result-is-red-color/463422 "2020-04-10T21:16:33Z")
开启光追反射，渲染反射中的次表面材质显示泛红 Enable ray tracing reflection，the reflection of Subsurface ShadingModel Material rendering result is red color。 次表面材质、灯光设置、地面反射材质使用最基础的设置，如图 All of The Subsurface Material、Light、material of flo… --- ## [Weird shadows on subsurface mesh](https://forums.unrealengine.com/t/weird-shadows-on-subsurface-mesh/365224)
**Author:** [@Trojanonator](https://forums.unrealengine.com/u/Trojanonator)\ **Replies:** 1\ **Last updated:** [August 18, 2019, 11:58am UTC](https://forums.unrealengine.com/t/weird-shadows-on-subsurface-mesh/365224 "2019-08-18T11:58:44Z")
Hi, when the material thats on the static mesh is default lit, shadows look smooth, but if i set shading to subsurface they look really low res. You can see it in screenshots. Lighting only shows shadows as they should l… --- ## [Subsurface Profile not updating whatsoever](https://forums.unrealengine.com/t/subsurface-profile-not-updating-whatsoever/447097)
**Author:** [@ProzackPH7](https://forums.unrealengine.com/u/ProzackPH7)\ **Replies:** 1\ **Last updated:** [June 30, 2019, 7:54am UTC](https://forums.unrealengine.com/t/subsurface-profile-not-updating-whatsoever/447097 "2019-06-30T07:54:13Z")
I cannot update anything about a subsurface material using a subsurface profile other than the base color. Im able to use a regular subsurface material, however, I dont have the control I need for what Im trying to do. … --- ## [Change the Shading Model/Material on Mobile](https://forums.unrealengine.com/t/change-the-shading-model-material-on-mobile/345754)
**Author:** [@slarti](https://forums.unrealengine.com/u/slarti)\ **Replies:** 4\ **Last updated:** [June 27, 2019, 3:22am UTC](https://forums.unrealengine.com/t/change-the-shading-model-material-on-mobile/345754 "2019-06-27T03:22:48Z")
Hi, I’m using a subsurface material (Shading Model: Subsurface) for an object. But since subsurface materials are not supported on mobile/ES2 devices, I want to swap out the material of that object for a simple default … --- ## [VR Subsurface scattering skin shader](https://forums.unrealengine.com/t/vr-subsurface-scattering-skin-shader/442721)
**Author:** [@anonymous\_user\_13e2d1241](https://forums.unrealengine.com/u/anonymous_user_13e2d1241)\ **Replies:** 0\ **Last updated:** [February 4, 2019, 7:17pm UTC](https://forums.unrealengine.com/t/vr-subsurface-scattering-skin-shader/442721 "2019-02-04T19:17:33Z")
Hi new here, being looking around for a good Subsurface scattering skin shader which will run in VR! Is it possible? could UE do SSS in VR mode or do I need to find or write a plugin solution? Any help on this topic wo… --- ## [Problem with EPIC's Digital Human model](https://forums.unrealengine.com/t/problem-with-epics-digital-human-model/441777)
**Author:** [@anon17187051](https://forums.unrealengine.com/u/anon17187051)\ **Replies:** 0\ **Last updated:** [January 21, 2019, 6:25pm UTC](https://forums.unrealengine.com/t/problem-with-epics-digital-human-model/441777 "2019-01-21T18:25:49Z")
Hello people! I’ve download the demo called Digital Human from Epic’s marketplace to study the skin shading techniques, but a problem occurs with the mesh that comes with it, check it out: There is a weird offset in … --- ## [Feature Request: Light Source Angle Node](https://forums.unrealengine.com/t/feature-request-light-source-angle-node/437044)
**Author:** [@CorsairOfLight](https://forums.unrealengine.com/u/CorsairOfLight)\ **Replies:** 0\ **Last updated:** [November 5, 2018, 9:01am UTC](https://forums.unrealengine.com/t/feature-request-light-source-angle-node/437044 "2018-11-05T09:01:03Z")
This would be great for faking direct translucency. Essentially, it would be a node that puts out a basic alpha gradient in the material, radiating from the center of an overlapping light source. An emissive map cou… --- ## [Subsurface on grass with pivot painter](https://forums.unrealengine.com/t/subsurface-on-grass-with-pivot-painter/429113)
**Author:** [@THA](https://forums.unrealengine.com/u/THA)\ **Replies:** 0\ **Last updated:** [July 10, 2018, 4:41pm UTC](https://forums.unrealengine.com/t/subsurface-on-grass-with-pivot-painter/429113 "2018-07-10T16:41:41Z")
Hi all, I’m dounsg some test with pivot painter to have a better control and trying to achieve a more realistic grass. The actual shader is based in some tips from “Rens” foliage shaders. I have exagerated the SSS in or… --- ## [How could I fix glowing teeth with the Subsurface Profile Shading Model?](https://forums.unrealengine.com/t/how-could-i-fix-glowing-teeth-with-the-subsurface-profile-shading-model/424299)
**Author:** [@mimicproductions](https://forums.unrealengine.com/u/mimicproductions)\ **Replies:** 3\ **Last updated:** [May 28, 2018, 6:46am UTC](https://forums.unrealengine.com/t/how-could-i-fix-glowing-teeth-with-the-subsurface-profile-shading-model/424299 "2018-05-28T06:46:45Z")
I’m trying to make a realistic face using the Subsurface Profile for the skin-shader, like it is suggested in Epic’s photorealistic asset and in the released paragon characters. The character has facial animation, so if … --- ## [Subsurface color overrides Diffuse](https://forums.unrealengine.com/t/subsurface-color-overrides-diffuse/422203)
**Author:** [@Fran\_Calvente](https://forums.unrealengine.com/u/Fran_Calvente)\ **Replies:** 0\ **Last updated:** [April 9, 2018, 1:50pm UTC](https://forums.unrealengine.com/t/subsurface-color-overrides-diffuse/422203 "2018-04-09T13:50:26Z")
Hi there, I’m trying to make a lamp like this one → https://www.marrakech-living.co.uk/item/images/683/1000x1000/kurkuma-orange-1-0.jpg with a subsurface material, to allow the light to pass through. I have two differ… --- ## [想写一个移动模式也能用的SSS材质](https://forums.unrealengine.com/t/sss/414399)
**Author:** [@xyzjsakn](https://forums.unrealengine.com/u/xyzjsakn)\ **Replies:** 0\ **Last updated:** [January 12, 2018, 12:49pm UTC](https://forums.unrealengine.com/t/sss/414399 "2018-01-12T12:49:05Z")
SSS目前不支持移动模式，因为运算量太大，但是是否有方法在材质里写出一个简单一些的类似SSS材质的效果,手机能跑得动，还能出现蜡的效果？ --- ## [Trees and the dark locations](https://forums.unrealengine.com/t/trees-and-the-dark-locations/400951)
**Author:** [@jryanofficial](https://forums.unrealengine.com/u/jryanofficial)\ **Replies:** 1\ **Last updated:** [August 4, 2017, 12:36am UTC](https://forums.unrealengine.com/t/trees-and-the-dark-locations/400951 "2017-08-04T00:36:56Z")
Hello! I’m Jon and I’ve a problem with the lighting of the trees. I don’t know what’s wrong. The material for the branches is set to Two Sided, Masked and Subsurface. I added SimpleGrassWind and applied. But the result … --- ## [Paper Covering Windows - Subsurface Scattering](https://forums.unrealengine.com/t/paper-covering-windows-subsurface-scattering/306665)
**Author:** [@Garasin](https://forums.unrealengine.com/u/Garasin)\ **Replies:** 1\ **Last updated:** [March 20, 2017, 12:03pm UTC](https://forums.unrealengine.com/t/paper-covering-windows-subsurface-scattering/306665 "2017-03-20T12:03:14Z")
Hey guys, I’m having a bit of a mental block. I’m currently building a scene that has a couple of windows and they’re all covered by paper. The sunlight outside is the only light source in the scene… I’m having trou… --- ## [How can I get my Ice material to look a lot more like Epic's?](https://forums.unrealengine.com/t/how-can-i-get-my-ice-material-to-look-a-lot-more-like-epics/363558)
**Author:** [@Unisink2020](https://forums.unrealengine.com/u/Unisink2020)\ **Replies:** 1\ **Last updated:** [July 10, 2016, 6:04pm UTC](https://forums.unrealengine.com/t/how-can-i-get-my-ice-material-to-look-a-lot-more-like-epics/363558 "2016-07-10T18:04:51Z")
Right now it’s not so convincing… --- ## [Why does Subsurface Profile cause my Vive pre to have blinders?](https://forums.unrealengine.com/t/why-does-subsurface-profile-cause-my-vive-pre-to-have-blinders/360004)
**Author:** [@anonymous\_user\_92e929a51](https://forums.unrealengine.com/u/anonymous_user_92e929a51)\ **Replies:** 1\ **Last updated:** [July 8, 2016, 9:46pm UTC](https://forums.unrealengine.com/t/why-does-subsurface-profile-cause-my-vive-pre-to-have-blinders/360004 "2016-07-08T21:46:29Z")
Hi All, My team is having an interesting issue where when we have the new subsurface profile hooked up we get black blinders on the left and right of the lenses. Essentially eliminating peripheral vision on the sides. … --- ## [Subsurface not working in shadows](https://forums.unrealengine.com/t/subsurface-not-working-in-shadows/356176)
**Author:** [@worldlearner0411](https://forums.unrealengine.com/u/worldlearner0411)\ **Replies:** 15\ **Last updated:** [May 8, 2016, 7:15pm UTC](https://forums.unrealengine.com/t/subsurface-not-working-in-shadows/356176 "2016-05-08T19:15:20Z")
I have been putting together a grass material, and my results so far are what I’m looking for. The problem is when a shadow is cast onto the grass it appears that there is no subsurface effects. Any ideas on what could b… --- ## [Subsurface only works when light is inside mesh? Or: Subsurface only functions for 2D meshes?](https://forums.unrealengine.com/t/subsurface-only-works-when-light-is-inside-mesh-or-subsurface-only-functions-for-2d-meshes/352933)
**Author:** [@anonymous\_user\_fbaa1f9f](https://forums.unrealengine.com/u/anonymous_user_fbaa1f9f)\ **Replies:** 0\ **Last updated:** [April 4, 2016, 9:18pm UTC](https://forums.unrealengine.com/t/subsurface-only-works-when-light-is-inside-mesh-or-subsurface-only-functions-for-2d-meshes/352933 "2016-04-04T21:18:05Z")
I am trying to create a floor lamp with a shade. The shade is a hollowed tube with thickness–i.e. it’s a double-sided surface. When I place point lights inside of the tube, subsurface might as well not be turned on at al… --- ## [Subsurface material & light function](https://forums.unrealengine.com/t/subsurface-material-light-function/336267)
**Author:** [@anonymous\_user\_518c3a4c](https://forums.unrealengine.com/u/anonymous_user_518c3a4c)\ **Replies:** 17\ **Last updated:** [November 25, 2015, 2:12pm UTC](https://forums.unrealengine.com/t/subsurface-material-light-function/336267 "2015-11-25T14:12:17Z")
Hey, i’ll start with a scene description: i have a mesh that uses Subsurface shading model. I have a light(point light) with a light function that completely disables any lighting(emissive output set to 0). It works wi… [Next page](https://forums.unrealengine.com/tag/subsurface/3721.md?match_all_tags=true&page=1&tags%5B%5D=subsurface)