"We recognize that comments are a core part of the YouTube experience and how you connect with and grow your audience", YouTube said in a posted message to creators.
YouTube, which is owned by Google, said in a blog post that over the next few months, it would suspend comments on videos of young minors - those 13 and younger - and older teenagers that may risk "attracting predatory behaviour".
Companies in New Zealand and globally have been abandoning the internet giant after an extensive number of sexual comments posted on innocent videos of children was exposed.
YouTube in its statement said that those users exempt from the restricted comments rule would be expected to "actively moderate" all comments and "demonstrate a low risk of predatory behavior (for the channel)".
YouTube accelerated the release of an improved "classifier" that it said will detect and remove twice the number of policy-breaking comments by individuals.
YouTube acknowledged the upcoming changes will be dramatic, especially for video creators who specialize in content aimed at children and parents. "Ticking a box to say they are over thirteen is simply not an approach that scales, when every day, 170,000 new children are going online", he said, citing a statistic from UNICEF. Although he has two daughters, Tye said they rarely appear in his YouTube videos, which he's previously been able to monetize through ads.More news: Trump and Kim without a deal as they prepare for second summit
"I can consistently get access to it from vanilla, never-before-used YouTube accounts via innocuous videos in less than ten minutes, in sometimes less than five clicks", he explained.
"We also know that this is the right thing to do to protect the YouTube community".
YouTube had originally disabled comments on videos where upsetting comments had been made. YouTube's algorithm would then recommend users who viewed those videos more footage featuring children.
The incident raised fears of a fresh "brand safety" crisis for YouTube, which lost advertisers previous year following revelations that messages appeared on channels promoting conspiracy theories, white nationalism and other objectionable content. YouTube's parent, Google, is a unit of Alphabet Inc.
YouTube will also be more aggressive in terminating channels that include any content which endangers minors.
YouTube responded to the latest scandal, which has also seen advertising on the platform suspended by Disney, by purging tens of millions of comments from the site.
But disturbing videos recently found by some moms show the social media site may not be safe for kids at all.