Instagram, its parent company Facebook, and Twitter have vowed to block LGBT 'conversion therapy' services.
The pledge comes with 200,000 people having signed an online petition calling for the government to ban the practice, which is described by its detractors as being a form of brainwashing.
A number of well-known names, including Dua Lipa, Elton John, Jade Thirlwall and Stephen Fry, have also backed the campaign.
Speaking to the BBC, Tara Hopkins, EMEA public policy director for Instagram, said: "We don't allow attacks against people based on sexual orientation or gender identity and are updating our policies to ban the promotion of conversion therapy services."
She continued: "We are always reviewing our policies and will continue to consult with experts and people with personal experiences to inform our approach."
A Twitter spokesperson said that the social network is “working to make the training decks more clear so that team members have a wide variety of examples to refer to, and our enforcement of this is consistent and scaleable globally”.
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