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I am working in face editing function and here I want to make face smooth as well as white skin tone. I am able to smooth face on image using YUCIHighPassSkinSmoothing library. But I am not able to whitening the face only can smoothing face. self.inputCIImage = CIImage(cgImage: self.imgPhotoForEdit.image!.cgImage!) self.filter.inputImage = self.inputCIImage self.filter.inputRadius = 6.0 self.filter.inputAmount = NSNumber(value: selectedSmoothingValue) self.filter.inputSharpnessFactor = 0.0 let outputCIImage = filter.outputImage! let outputCGImage = self.context.createCGImage(outputCIImage, from: outputCIImage.extent) let outputUIImage = UIImage(cgImage: outputCGImage!, scale: self.imgPhotoForEdit.image!.scale, orientation: self.imgPhotoForEdit.image!.imageOrientation) self.imgPhotoForEdit.image = outputUIImage } Here is my code implemented using YUCIHighPassSkinSmoothing library.