Nickel Allergies in the Salon: Shear Material Research

Nickel allergy is one of the most common contact allergies worldwide. For professional stylists who spend hours each day with metal scissors pressing against their skin, this is not an abstract concern — it is an occupational health issue the industry is only beginning to address seriously.

Update (September 2026): This article originally cited a prevalence of 10–20% of the general population. That range had no source in our records. Research from the University of Osnabrück, reported via idw-online.de, found that 11.4% of hairdressers develop a nickel contact allergy and 2.9% additionally develop a cobalt allergy. Those are the figures this site now uses, and they describe hairdressers rather than the general population.

The Problem With Stainless Steel

Most professional hair scissors are made from stainless steel alloys. The “stainless” property comes primarily from chromium content, and common scissor steels such as VG-10 and ATS-314 do not list nickel as an alloying element. Nickel can still come from plating, screws or other parts.

For most people, this causes no issues. But for individuals with nickel sensitivity, prolonged contact — particularly combined with moisture from wet hair and the friction of repeated cutting — can trigger allergic contact dermatitis. Symptoms include redness, itching, swelling, and cracking skin on the thumb and fingers of the cutting hand.

The insidious aspect of nickel allergy is that it develops over time. A stylist may work comfortably for years before sensitization occurs, at which point the allergy is typically permanent.

Low-Nickel and Nickel-Free Alternatives

Several manufacturers now offer scissors specifically designed for nickel-sensitive users:

Cobalt base alloys represent the most significant alternative. Joewell’s CBA-1 cobalt base alloy contains less than 0.6% nickel (marketed as nikkeru-resu / ニッケルレス). Kikui manufactures scissors from a 70% cobalt alloy. These cobalt alloys are not just nickel-reduced — they offer genuinely different cutting properties, with excellent hardness and edge retention.

Titanium coatings provide a barrier between the steel and the user’s skin. The titanium layer keeps skin off the metal underneath. The limitation is that coatings can wear over time, particularly on high-contact surfaces like the finger rings.

Ceramic blades contain no nickel, but they chip more easily if dropped or knocked, and the handles, screw and other parts still need checking.

What Affected Stylists Should Do

If you are experiencing redness, itching, or skin irritation on your cutting hand, consult a dermatologist for patch testing before assuming the cause. If nickel allergy is confirmed, ask the maker for the exact model’s materials before you buy. Cobalt-base alloys and titanium coatings both cut contact with nickel, but coatings wear and no label guarantees a result. If you also react to cobalt, avoid cobalt-base alloys.

The industry would benefit from clearer labeling of nickel content in scissor specifications — a step that some Japanese manufacturers are beginning to take, but that has not yet become standard practice.