roll-on

/R OW1 L AA0 N/
noun
  1. 1

    (often in the plural) A type of corset which is rolled on to the body.

  2. 2

    A cosmetic product (especially a deodorant) applied by means of a ball at the head of a container, which rolls the product on to the skin etc.

adjective
  1. 1

    (of deodorant, etc.) Applied by means of a ball that can be rotated to pick up liquid from the inner reservoir.

Source: https://en.wiktionary.org/wiki/roll-on