---
title: "Metal Sex Toys: Body-Safe? Nickel, Weight & Care"
url: "https://phareros.com/learn/materials-ingredients/metal/"
type: "page"
updated: "2026-08-02"
---

# Metal Sex Toys: Body-Safe? Nickel, Weight & Care

Source: https://phareros.com/learn/materials-ingredients/metal/ · Updated: 2026-08-02

Solid metal is non-porous, weighty and cleans completely — the main thing to check is which metal, because plating and alloys are where nickel hides.

✓ Body-safe, non-porous

## The essentials

- Solid or plated metal — most often stainless steel, aluminium, or a zinc/brass alloy.
- Heavy, firm and unyielding, with a cool feel that warms slowly against skin.
- Cleans completely with soap and water; solid pieces can be boiled.
- Excellent for weight, pressure and temperature play; the weight is the point.

## Body-safe at a glance

| Porosity | Non-porous |
|---|---|
| Phthalates | None |
| Cleaning | Soap & water; solid metal can be boiled |
| Sterilizable | Yes (solid, unplated) |
| Lube | Any |
| Allergen | Nickel, in some alloys and plating |

**Good to know — porosity, safety & the honest detail**

### Is metal body-safe?

Solid, unplated metal is — it is non-porous, holds no bacteria, and cleans completely. The qualifier is which metal. Surgical-grade stainless steel and anodised aluminium are the dependable choices. Plated and unspecified alloy pieces are the ones worth asking about, because plating can wear and what is underneath is often undeclared.

### Can metal toys cause a nickel reaction?

They can, if you are nickel-sensitive. Most stainless steel contains some nickel, though good grades bind it tightly and release very little. Cheaper alloys and plated finishes are the more common culprits, especially once plating wears. If you react to jewellery, treat metal toys the same way and look for solid steel described by grade.

### Why are metal toys so heavy, and does it matter?

Weight is the feature. Metal delivers firm, unyielding pressure that softer materials cannot, and it holds temperature long enough for warming or cooling to register. It also means gravity does more than you expect — go slower than you would with silicone, especially with anything internal, and never use a piece without a flared base or retrieval loop.

### How do I know what a metal toy is actually made of?

Often you cannot, and we would rather say so. Where a maker states the grade we pass it on; where they only say "metal" we leave it at that rather than guess. If the answer matters to you — because of a nickel sensitivity, say — solid steel from a brand that names the grade is the safer purchase.

## Metal vs Glass

|  | Metal | Glass |
|---|---|---|
| Weight | Heavy | Lighter |
| Durability | Very durable | Inspect for chips |
| Temperature | Holds a long time | Holds well |
| Lube | Any | Any |
| Allergen | Nickel, in some alloys | None |

 [Read about Glass →](https://phareros.com/learn/materials-ingredients/glass/)

## How to care for Metal

1. Wash with warm soapy water before first use and after every use.
2. Solid, unplated metal can be boiled 5–10 minutes to sanitise. Do not boil plated or electronic pieces.
3. Dry fully to prevent water spotting, especially on plated finishes.
4. Inspect plating for wear, chips or flaking, and retire the piece if the surface is breaking down.
5. For temperature play, warm or cool in water — never a freezer or a flame — and wrist-test before use.
6. Store padded and separate; metal will mark softer toys it knocks against.

**For the material nerds ↓**

Metals are non-porous because their structure is a crystalline lattice with no open network for fluid to enter — the reason a solid piece can be boiled without harm. Corrosion resistance in stainless steel comes from chromium (typically 10.5% or more) forming a self-repairing passive oxide layer; the common 316 grade adds molybdenum for better resistance than 304. Nickel is an austenite stabiliser in those grades, which is why almost all stainless contains some, and why grade rather than the word "steel" is what tells you anything. Anodised aluminium works differently: the anodising is a thickened oxide layer grown on the surface, hard and inert while intact, but it is a coating rather than the bulk material. Plated zinc or brass is the case to watch, because the plating is the only barrier between you and the base alloy.

 [Shop all body-safe toys →](https://phareros.com/body-safe-toys/)

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 **Sources & further reading:**   [Stainless steel — Wikipedia](https://en.wikipedia.org/wiki/Stainless_steel)  ·  [Nickel allergy — Wikipedia](https://en.wikipedia.org/wiki/Nickel_allergy)  ·  [Anodizing — Wikipedia](https://en.wikipedia.org/wiki/Anodizing)   
General educational information, not medical advice — always read the product label and, if you have a specific allergy, check the product details. Written in-house from open references (Wikipedia, CC BY-SA; PubChem, public domain).  [How we research →](https://phareros.com/learn/editorial-standards/)

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