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WD-40, The World’s Most Famous Lubricant, Was Created in 1953 in California, Developed After 40 Attempts, Kept in a Bank Vault Under Confidentiality Agreements, and Never Patented to Avoid Public Disclosure

Written by Ruth Rodrigues
Published on 11/02/2026 at 06:54
Updated on 11/02/2026 at 06:55
Conheça o segredo da fórmula do WD-40, o lubrificante mais famoso do mundo, e entenda por que a empresa protege sua composição como um tesouro.
Conheça o segredo da fórmula do WD-40, o lubrificante mais famoso do mundo, e entenda por que a empresa protege sua composição como um tesouro.
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Discover The Secret Of The WD-40 Formula, The Most Famous Lubricant In The World, And Understand Why The Company Protects Its Composition Like A Treasure.

What makes WD-40 protect its formula like a true war chest? The most famous lubricant on the planet, created by an American company founded in 1953 in California, keeps its composition under absolute secrecy to this day.

Over the past few decades, only an extremely restricted group of executives has had access to the original content, kept under strict security protocols.

The strategy, according to the company itself, exists to preserve the secret that sustains the global success of the product.

Present in workshops, industries, and households, WD-40 has become synonymous with a solution against rust and mechanical binding.

However, beyond the efficiency of the lubricant, the mystery surrounding the formula also fuels its reputation.

WD-40 And The Secret Of The Formula Guarded Like Gold

The level of protection of the formula impresses even within the company itself.

To view the original content, it is necessary to comply with a series of formal requirements, including confidentiality agreements and access to a bank vault kept in a confidential location.

The current CEO, Steve Brass, compared the experience to entering Fort Knox, the famous military facility in the United States where much of the country’s gold is protected. The analogy helps to gauge the degree of control imposed on the secret.

Furthermore, even high-ranking executives may wait years to obtain authorization. In some cases, access simply does not happen.

Why Didn’t WD-40 Patent The Lubricant Formula?

Unlike many companies, WD-40 opted not to register a patent for the formula. The decision, although uncommon, is strategic.

When a patent expires, its composition becomes public. By avoiding this registration, the company prevents competitors from gaining official access to the product details. Thus, the secret remains protected indefinitely.

This choice reinforces the internal culture of confidentiality. Meanwhile, the mystery becomes a valuable asset for the brand.

YouTube Video

The WD-40 Formula Left The Vault Only Three Times

In the last 30 years, the formula has left the vault only three times. One of the most emblematic episodes occurred during the company’s 50th anniversary at Nasdaq.

At the time, then-CEO Garry Ridge appeared in Times Square dressed in armor and symbolically escorting the historical document under tight security. The gesture reinforced the symbolic value of the secret to the company.

More recently, in the summer of 2024, Steve Brass and CFO Sara Hyzer had access to the original notebook. The document compiles the 40th successful attempt of the formula, in addition to the 39 previous attempts that failed.

The Meaning Of The 40th Attempt In Creating WD-40

The very name WD-40 carries a story of perseverance. The acronym stands for “Water Displacement,” and the number 40 represents the fortieth attempt until achieving the ideal formula.

This detail helps to explain the company’s attachment to the original document. It symbolizes decades of development and improvement of the lubricant.

Interestingly, not all leaders have had access to the composition. Meghan Lieb, head of research and development for over 20 years, has never been able to consult the complete formula.

Internal Culture Reinforces The Secret Of The Formula

Within the company, the mystery has become part of the corporate identity. Employees often joke about which ingredients make up WD-40.

On the other hand, leadership closely monitors speculations considered “dangerous.” The goal is to prevent assumptions from gaining traction and compromising the secret.

Currently, the group with access to the content remains extremely restricted. Even with the possibility of the company reaching US$ 1 billion in annual revenue — currently around US$ 620 million — management dismisses expanding the circle.

YouTube Video

The secret of the formula, therefore, remains one of the main pillars of the brand. More than just a simple lubricant, WD-40 has turned confidentiality into a business strategy and consolidated a legacy that spans generations.

Source: Times Brasil

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Juão
Juão
11/02/2026 10:00

I only would like to know what is the secret of the scent (maybe vanilla?)

Ruth Rodrigues

Formada em Ciências Biológicas pela Universidade do Estado do Rio Grande do Norte (UERN), atua como redatora e divulgadora científica.

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