This is the article on the technique used by the Kedōin Clan. For the technique used by Orochimaru, head to Vanishing Facial Copy Technique.

The user looks at a target to copy their appearance. The technique is considered to be a flawless Transformation Technique as even the copied person's allies won't be able to tell the difference, and ninken would not smell a different scent. Though the user copies the person's face and body, they can't use their techniques or unique abilities, and they are also very weak to attack. In order to copy an appearance, the user needs to wear a special mask and stay close to the target for a long time. When the technique commences, the user's eyes begin to glow. The transformation lasts only a few days and is unique to the Kedōin clan.

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