The new vice-president of global business marketing will report to chief marketing officer Andréa Mallard.
The campaign comes amid heightened scrutiny of the mental health effects of social media.
It’s the first among major platforms to create a policy specific to climate misinformation.
Searches for 'lounge lingerie' increased by 96 times last year.
The open letter, led by the Conscious Advertising Network, has gathered more than 250 signatures and is addressed to the chief execs of Facebook, Instagram, Google, Twitter, TikTok, Pinterest and Reddit.
The social media company is looking to differentiate itself from Instagram and other networks.
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