Surgical steel sounds safe but contains 10-14% nickel. This article explains what the label means, who reacts, and which materials (ASTM F136 titanium, niobium, BioFlex) guarantee nickel safety for body jewellery.
"Surgical steel" is the most common material label on body jewellery packaging. It sounds clinical, controlled, safe. The natural assumption is that anything called surgical steel must be hypoallergenic, because who would put an allergenic metal into a surgical implant or a fresh piercing?
The assumption is wrong. Surgical steel is not a standardised material specification. It is a marketing term. The steel most often sold as surgical steel is grade 316L, which contains 10 to 14 percent nickel by weight. And nickel is the single most common cause of metal contact allergy in the general population, affecting an estimated 10 to 20 percent of adults.
What the full article covers
"Surgical steel" is a marketing term, not a material standard; it typically means 316L stainless steel containing 10-14% nickel, with no mandatory quality controls on surface finish or nickel release
Implant-grade titanium (ASTM F136) contains zero nickel and is the recommended material for initial piercings and anyone with known or suspected nickel sensitivity
Niobium (ASTM B392) and BioFlex are also nickel-free alternatives for healed piercings and initial piercings respectively
Surface finish matters as much as alloy composition: a poorly passivated piece of surgical steel can release nickel above the EU regulatory limit even if a well-finished piece of the same alloy would pass
If you suspect a nickel reaction, switch to a verified nickel-free material immediately; nickel contact dermatitis does not resolve while the allergen remains in place
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First published on poliinternational.com. This is a summary of the original engineering article.
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