Developed in 1931 to treat nappy rash by Dublin pharmacist Thomas Smith, the formula for Sudocrem has not changed in the 90 years since then.
And originally, it was known as Smith's Cream as a result of the inventor.
But that was soon changed to 'Soothing Cream' - because that's what it did, it soothed people.
However, the name was changed in 1950 for a typically Irish reason.
The thickness of some Dublin accents meant that 'soothing cream' was known as 'sood-ing crem' - and the company decided to reflect that.
But this fact was not well known - leaving hundreds of people in awe after one Twitter user found out about it.
The tweet has been shared over 1,500 times with people absolutely stunned by the revelation.
"I'm screaming ‘Suda cree am’ in my head the last 20 minutes" replied one person.
A second added: "I was at least 18 or 19 before it occurred to me that we were mispronouncing it!"
While another tried to figure it out in her own way: "I just said Soothing Cream out loud in an irish accent to see"
The cream, used by generations of Irish families, is made by Teva Pharmaceutical.
A spokesperson for Teva Ireland said: “On Thursday we met with employees at our Baldoyle plant to inform them of the proposed closure of the site, as part of a wider programme to optimise our global manufacturing network.
“We know that this news is disappointing for many, but we’ll do everything we can to support all our affected employees throughout this process.
“We’ll continue to have a strong presence in Ireland through our respiratory manufacturing plant in Waterford in addition to our commercial activities, and we remain fully committed to the Irish market.”
It is understood production at the Baldoyle site will end in 2022 and move to Bulgaria.
