Is there a dirty version of TikTok?

As we know that the TikTok is used by people of every generation from child to elder ones. It is also used for promotion and mainly the lip-sync is used in creating the video and the video can be of dancing, fighting, monolog, etc. So in TikTok clone, the dirty version may occur for young children which can affect their thinking level of the brain. The content for 18+ is sometimes visible and seen below the 18+ user which is the dirty version.