The slayer helmet is an all-class item, which means its armour stat is used in full when defending against any style. It can also be used as an enchanted gem.
It had been charged with some summoning scrolls. These scrolls would be automatically and randomly used while in combat, and didn't use special move points. It could be reverted to a normal helmet by removing the scrolls and having Pikkupstix unenchant it.
For 4,000 Loyalty points, players can buy the ability to change the colour of their slayer helmet, and this works for all variations of slayer helmets except the most basic slayer helmet. By using the helmet on Xuan or Dilwyn, it can be recoloured to the colours blue, yellow, red, and green. Recolouring the full slayer helmet also changes the colour of the backplate to pastel pink. This ability cannot be refunded, but once bought, players can change the colour of their helmet as many times as they like. The pink backplate can only be removed/changed by reverting to the original colour. The four versions of this helm were: