Retouch (Smooth Skin) for Instagram Filters for Spark AR (with and without LUT)- 2021 update

In this tutorial, I'll show you how you can add retouching (skin smoothing) for your instagram filters. Whether you want to include it with a color LUT or not, I'll walk through all the steps and the problem solving issues you may come across when adding the retouching feature. 0:00 Add Retouch 0:58 Setting up the Color LUT 2:53 Apply Retouch with the LUT 4:34 Solving Alpha Issues