Yes, you do have several good options. The key is to choose bench materials that are non-porous, easy to clean, and free of natural wood oils, resins, dust, or splinters. For most people with wood allergies, the safest route is to avoid raw or oiled wood entirely and look for sealed, synthetic, or metal surfaces instead.
My top recommendation is recycled plastic lumber, usually made from HDPE. It contains no wood fibers, does not splinter, resists mold and pollen buildup, and can be washed with mild soap and water. Many cities use it for boardwalk-style benches because it has a warm look but will not trigger wood allergies.
Powder-coated aluminum or steel is another strong choice. The powder coating creates a smooth, sealed surface that does not absorb moisture or allergens. Aluminum is lightweight and rust-resistant, while steel is heavier and very durable. Just avoid benches with chipped or scratched coatings, because exposed rough metal can trap irritants.
Stainless steel is excellent if your skin is highly sensitive. It is non-porous, easy to sanitize, and rarely causes contact reactions. The main downsides are heat in direct sun and cold in winter, but it is one of the most hypoallergenic urban bench materials available.
Sealed concrete or polished stone benches can also work, but unsealed concrete is porous and can hold dust, pollen, mold, or cleaning residues. If you choose concrete, look for a smooth, sealed, or polished finish rather than a rough or untreated surface.
I would avoid raw or oiled wood benches, especially cedar, teak, rosewood, or oak if you know you react to certain woods. Even some wood-plastic composites include wood flour, so check the manufacturer’s spec sheet for actual wood content. For everyday comfort, recycled plastic lumber and powder-coated metal give you the best mix of low allergy risk, low maintenance, and long lifespan.