When I smile my nostrils flare a lot, and I dont want to commit to surgery at this point in time. Advice? (photo)

Is there anyone in London, that comes highly recommended that does a non-surgical procedure e.g Botox to assist with this problem, even if only temporary? (I don't want my nose to get any bigger!) I've looked into the gummy smile botox as have heard and noticed after research that the nostrils on the 'after' photos don't tend to flare as much, even though it is more focused to the smile area. Would this be an option, or is there something else?

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