toner

noun

ton·​er ˈtō-nər 

: one that tones or is a source of tones: such as

a

: a substance (such as a thermoplastic powder) used especially to develop an image (such as a latent xerographic image) on a piece of paper

b

: a liquid cosmetic for cleansing the skin and contracting the pores

c

: a solution used to impart color to a silver photographic image

Examples of toner in a Sentence

Recent Examples on the Web

These already-affordable favorites get even sweeter once the discounts hit, and this year’s lineup is stacked with glow-boosting icons—from milky toners and hydrating essences to overnight masks that make your skin feel like a cloud. —Christa Joanna Lee, Allure, 26 Nov. 2025

While products like cleansers and toners that contain small amounts can be used daily, most people find that once or twice a week is sufficient when using anything stronger. —Tish Weinstock, Vogue, 25 Nov. 2025

Right now some of our editor’s favorite overnight masks, toner pads, and more are up to 55% off. —Alanna Martine Kilkeary, Glamour, 25 Nov. 2025

My hair is rejecting the toner. —Michelle Lee, PEOPLE, 22 Nov. 2025

Word History

Etymology

tone entry 2 + -er entry 2

First Known Use

1888, in the meaning defined above

Rhymes for toner

• donor
• kroner
• kronor
• loner
• owner
• stoner
• homeowner
• landowner
• shipowner

Medical Definition

toner

noun

ton·​er

ˈtō-nər

: one that tones

a muscle toner

especially : a liquid cosmetic for cleansing the skin and contracting the pores

facial toners