It's one of the most recognizable names on any garage shelf, under kitchen sinks and tucked into most tool belts. And for years, its hand-written secret formula has lived in a San Diego bank, a place where many know its location but few can visit.
It’s one of the most recognizable names on any garage shelf, under kitchen sinks and tucked into most tool belts. And for years, its hand-written secret formula has lived in a San Diego bank, a place where many know its location but few can visit.
Secret recipe for WD-40 is kept under lock and key
currents - Pacific San Diego Magazine
Suffering Life's Pain —
CEO explains WD-40's slick success
WD-40 Lubricant Hires Armed Guards to Move Secret Formula on 65th Anniversary - Scioto Post
Fascinating Facts - WD-40 Company
TIL the secret formula for WD-40 is stored in a bank vault and has only left it twice; once was on its 50th birthday when the CEO of WD-40 rode through Times
Fascinating Facts - WD-40 Company
WD-40 Marks 65th Anniversary by Securing Iconic Product's 'Secret Formula' - Times of San Diego
The Untold Truth Of WD-40
TIL the secret formula for WD-40 is stored in a bank vault and has only left it twice; once was on its 50th birthday when the CEO of WD-40 rode through Times Square on a horse with a suit of armor on and the formula in hand : r/todayilearned
