1、打开PS后,复制图层,在新图层操作,可方便随时操作隐藏图层的小眼睛按钮,查看对比效果。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4bed2e738bd4b31cb25e6efd89d6277f9e2ff812?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、一键获取选区,然后点击通道页面,出现如图红框的样子,按住Ctrl键不放,鼠标左键点击RGB图层,画面会出现一个选区。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d009b3de9c82d15807a1a3f78e0a19d8bc3e4251?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、填充选区立刻变白,得到选区之后,返回到图层页面,填充背景色到选区,快捷键为Ctrl+Delete。要注意的是,此刻背景色要是系统默认的前黑后白。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b21c8701a18b87d61f4c5159090828381f30fd6e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、调整透明度,恢复皮肤质感,取消选区,得到美白效果,但是为了让画面里皮肤更有质感,通常会把调整过的图层透明度降低,这张图片我选择65%的透明度。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3801213fb80e7becf685f9a7212eb9389b506b1d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、看下对比图,这个方法快捷简单,非常实用。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/241f95cad1c8a7861436b0486909c93d70cf505c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)