Chef Dez

Stop Smelling Like Garlic! Chef’s Cold Water Secret REVEALED! #chefdez #cooking #garlic #onion #wash

23 September 2026 · 0:42 watch

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Discover why warm water is ruining your prep hygiene and learn the simple cold-water and stainless steel technique professional chefs use to instantly remove stubborn garlic and onion smells from their hands.

Key takeaways

  • Warm water opens skin pores, permanently trapping volatile sulfurous compounds inside the dermis.
  • Cold water keeps skin pores tightly closed, allowing garlic and onion oils to wash off the surface easily.
  • Rubbing hands on stainless steel under cold water chemically binds and neutralises lingering sulfur molecules.
  • Perform the cold water rinse and metal rub before using any soap or warm water for sanitisation.

The Chemistry of Prep Odours

Every professional kitchen relies on garlic and onions as the foundational aromaticsAromaticsIngredients such as onions, garlic, celery, herbs and spices used to build flavour in a dish. of prep work. However, the downside for any prep chef or commis is the stubborn, lingering smell of volatile sulfur compounds that cling to the skin long after service. Traditional soap and warm water often fail to solve this, and in some cases, actually worsen the problem. Understanding how to neutralise these oils is essential for maintaining personal hygiene on and off the line. Chef Dez addresses this common kitchen nuisance by introducing a simple, scientifically sound cold-water technique that stops odour in its tracks.

Why Hot Water Fails on the Prep Station

The common instinct after dicing a mountain of alliums is to wash your hands with warm or hot water and soap. However, this is a counterproductive approach. Warm water opens the pores of your skin, allowing the pungent, volatile sulfurous compounds from the garlic and onions to penetrate deeper into the dermis. Once these oils are trapped inside open pores, removing them becomes significantly harder, resulting in hands that smell of garlic for days. Soap alone cannot dissolve these compounds efficiently once they have bound to the skin, making standard handwashing techniques ineffective for odour control.

The Cold Water and Metal Solution

The secret to odour-free hands lies in using cold water first. Washing your hands under cold running water keeps your skin pores tightly closed, preventing the volatile oils from seeping into your hands. By rinsing thoroughly with cold water before applying any soap or heat, you wash away the surface oils instead of trapping them.

To maximise this effect, run your hands under cold water while rubbing them against a stainless steel surface, such as a chef's spoon or even the basin of your stainless steel kitchen sink. The chromium in the stainless steel binds with the sulfur molecules on your skin, lifting them off your hands chemically. Once the sulfur compounds are rinsed away, you can safely proceed with a standard warm, soapy wash for sanitisation without the risk of locking in the smell.

Questions from the pass

Frequently asked questions

Why does hot water make garlic smell worse on hands?

Hot water opens up the skin's pores, which allows the volatile sulfur compounds from garlic and onions to penetrate deeper into your dermal layers. Once these oils are trapped inside the open pores, standard washing will not reach them, leaving your hands smelling of garlic for days.

How does stainless steel help remove garlic odor?

Stainless steel contains chromium, which forms a passive oxide layer. This oxide layer chemically binds with the sulfur molecules responsible for the garlic smell on your skin. When you rub your hands on stainless steel under cold running water, the sulfur transfers to the metal, neutralising the scent.

Should I use soap during the cold water rinse?

No, you should rinse with cold water first without soap. Soap and warm water should only be used after the cold water and stainless steel rub have successfully removed the volatile sulfur compounds. This prevents the soap from emulsifying the oils into your open pores.

Does this cold water technique work for onions and shallots?

Yes, this technique works for all alliums, including onions, shallots, leeks, and chives. All of these plants contain similar sulfur-based compounds that react to skin temperature and stainless steel in the exact same manner as garlic.

Main ingredients

Original video by Chef Dez. This overview is written independently by The Chef's Circle editorial desk — watch the original on YouTube.

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