Skin Beauty Techniques with GLSL Shaders on Baselight

July 28, 2025

In his first Insight for Mixing Light, Colorist Corey Martinez shares several techniques for skin smoothing and blemish removal on Baselight.


Editor’s Note: We are pleased to welcome Corey Martinez to our roster of Contributors, here on MixingLight.com. You can find out more about Corey on his Author Page. He is focusing on Baselight-related Insights, and begins with beauty techniques. Premium members, please join us in welcoming him to Mixing Light, in the Comments below!

– Pat

Skin smoothing and blemish removal on Baselight

As colorists, we know that clean, well-balanced skin is often the benchmark for a successful grade, especially in beauty, fashion, and commercial work. But there are times when the grade alone isn’t enough to address complex skin issues.

In this Insight, we’ll dive into targeted techniques using Baselight’s internal tools and free GLSL shaders to achieve high-end beauty results. You’ll learn how to tackle everything from aggressive skin cleanup to subtle texture refinement, while maintaining natural tone, preserving pore detail, and avoiding that overly retouched look.

Key takeaways from this Insight

By the end of this Insight, you should understand how to:

  • Use ‘Face Perspective’ to give us a track for the face.
  • Offset a foreground mask to remove blemishes easily.
  • Blurring shapes without increasing their size.
  • Use paint strokes to sample ‘clean’ areas of the skin with a 1-point tracker.
  • Using the open-source CROK Beauty shader to blur high-frequency details for skin smoothing.
  • Free GLSL Shaders – From the Matchbox website, these shaders are the equivalent of OFX plugins in Resolve, for systems like Baselight and Flame.
  • Artist.io – This link takes you to the shot I used in this Insight. You can download it for free, with a watermark, but you must create an account.

Questions or Comments? Leave a comment!

Is this Insight useful to you? Let me know! I’m really interested in hearing what more of these types of Baselight tutorials Mixing Light members want me to cover 😁

– Corey


Chapters

  • 00:00 – Intro
  • 00:24 – Starting in the Baselight
  • 00:45 – Marking up our shot
  • 02:09 – Dealing with blemish
  • 07:37 – Blemish 2
  • 09:11 – Dealing with nose hairs
  • 14:05 – Overall softening
  • 16:21 – Shaders location on Mac
  • 18:16 – Dealing with nose irregularities / lighting
  • 20:43 – Dealing with lips
  • 21:43 – Increasing under eye brightness
  • 23:37 – Wrap up

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