The clock will be ticking for TikTok users who are under the age of 18.

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The social media company announced Wednesday that any user who is not yet considered a legal adult will have a default 60-minute daily limit, The Associated Press reported.

The limitations will be rolled out in the next few weeks.

When the 60-minute limit is reached, minors will have to receive and enter a passcode to make an “active decision to keep watching,” the company said in a blog post.

If a user is 13 years old or younger, then a parent or adult will have to enter the passcode sent to allow for an extra 30 minutes of viewing.

The limitations are not foolproof.

Users will be able to turn off the setting, CNN reported.

If they do, then they will be prompted to set a daily screen time limit themselves, the AP reported.

Cormac Keenan, the company’s head of trust and safety, said TikTok worked with members of the Digital Wellness Lab at Boston Children’s Hospital for advice on setting the time limits.

“While there’s no collectively-endorsed position on how much screen time is ‘too much’, or even the impact of screen time more broadly, we recognize that teens typically require extra support as they start to explore the online world independently,” Keenan said in the announcement.

The changes come after a report was released last year that found TikTok’s algorithms promote videos featuring self-harm and eating disorders to teens, the AP reported.

In addition to the screen time limit, TikTok is also rolling out customized screen-time limits for all users and a sleep reminder that will allow people to set a time to signal when to turn off the app and go to bed, the AP reported.

TikTok has been at the center of security concerns. The federal government has required that the app be removed from government-provided devices. Similar rules have been issued in about half of American states.

The European Parliament, the European Commission, the EU Council and Canada have taken similar steps, the AP reported.