Adjustment layers act like real layers allowing one to adjust the strength through opacity or even apply a mask to the adjustment.
调整图层如同一个真实的图层一样允许你调整它的透明度，甚至你还可以为它做一个蒙版。
With the selection from the material ID still active, select the "create New mask" icon at the bottom of the layers palette. This will apply a mask to the group just created.
通过材质ID图层建立某一选区，点击同样位于图层面板下方的“创建蒙版”，对新组创建蒙版。
Or, apply it as a mask, and let it sit 15-20 minutes before washing it off.
也可将蜂蜜作为面膜使用：脸部涂上蜂蜜，15到20分钟后洗去。
Now I will apply a layer mask (make sure that your layer is selected).
好了，添加一个图层蒙版(保证你的图层是被选中状态)。
Direction : use on the clean face, apply the collagen antiphlogistic mask, after 20 - 30 minutes remove with clean water, use twice a week or as often as needed.
使用方法= =用法：清洁面部后，敷上治疗敏感补湿骨胶原面膜，约20-30分钟后，用清水洗净，即可完成，每星期使用2 - 3次。任何皮肤及敏感性皮肤。
Direction: Use on the clean face, apply on The roe tightening mask, after 20-30 minutes, remove with clean water, use twice a week or as often as needed.
用法：清洁面部后，敷上深海鱼子活氧青春紧致面膜，约20-30分钟后，用清水洗净，即可完成。每星期使用2-3次。
Direction: Use on the clean face, apply on the Nano whitening mask, after 20-30 minute , remove with clean water, use twice a week or as often as needed.
用法：清洁面部后，敷上纳米银钻超凡净白面膜，约20-30分钟后，用清水洗净，即可完成。每星期使用2-3次。
Direction: Use on the clean face, apply the collagen lavender mask, after 20-30 minutes remove with clean water, use twice a week or as often as needed.
用法：清洁面部后，敷上薰衣草焕彩亮白补湿面膜，约20-30分钟后，用清水洗净，即可完成，每星期使用2-3次。
Direction: Use on the clean face, apply the collagen antiphlogistic mask, after 20-30 minutes remove with clean water, use twice a week or as often as needed.
用法：清洁面部后，敷上治疗敏感补湿骨胶原面膜，约20-30分钟后，用清水洗净，即可完成，每星期使用2-3次。
Now to give it a little punch, duplicate that layer, set its Opacity to 68%, and apply the following Curves (Command + m) to its transparency mask and you get this.
现在，给数码音量图添加一些视觉刺激。复制图层，设置不透明度为68%，并且对透明图层应用下图曲线(COMMAND +M)。然后，你得到了这个。
Direction: Use on the clean face, apply on ice spring repairing mask, after 20-30 minutes, remove with clean water, use twice a week or as often as needed.
用法：清洁面部后，敷上冰泉晒后修复舒缓面膜，约20-30分钟后，用清水洗净，即可完成。每星期使用2-3次。
Rename this layer as "Tower". Then add a vector mask to this layer, grab the gradient Tool and apply the following gradient to the mask.
命名图层为铁塔图层。然后添加一个蒙板，选择渐变工具，给蒙板添加如下图所示的渐变。
Directions: After facial wash, apply a proper amount evenly to face. Avoid eye and lip areas. Recommended mask thickness: 1-2mm. Relax for 10-15 min. Rinse thoroughly.
使用方法：洁面后，取适量避开眼、唇四周均匀涂抹于脸部，涂抹厚度大约1至2毫米，10至15分钟后，再以清水洗净。
That's why I will apply a layer mask.
因此要添加图层蒙版。
Usage: After cleaning the skin, open the facial mask and apply it evenly on the face. Remove it 20-25 minutes later and rinse the face. Usage every three days can achieve a better result.
用法：洁肤后，打开面膜均匀敷于面部20—25分钟后卸膜，清洗即可，每隔三天敷一次效果更佳。
Usage: After cleaning the skin, open the facial mask and apply it evenly on the face. Remove it 20-25 minutes later and rinse the face. Usage every three days can achieve a better result.
用法：洁肤后，打开面膜均匀敷于面部20—25分钟后卸膜，清洗即可，每隔三天敷一次效果更佳。
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