Translation guide
In Japanese, the concept of 'hair dyeing' is expressed through specific nouns and verbs. The most common way to talk about dyeing one's hair is using the noun 染髪 (せんぱつ) or the verb 染める (そめる). There are also terms for specific types of dyeing, such as gray hair coverage or bleaching.
Referring to the act or process of dyeing hair in general.
Expressing the action of applying hair dye.
General verb meaning 'to dye'. When used with 髪 (hair), it specifically means 'to dye one's hair'. Can be used for any color.
I want to dye my hair brown.
She dyed her hair red.
Loanword from English 'coloring'. Often used in beauty contexts, especially for fashion colors or salon treatments.
I'm thinking of coloring my hair on my next day off.
Phrase using the loanword 'hair color'. Common in casual conversation.
I got my hair colored at the salon.
Specifically covering or dyeing gray/white hair.
Making hair lighter, often as a step before coloring.
The verb 染める can mean 'to dye' in general (fabric, etc.). To be clear you mean hair, always include 髪を (かみを) unless the context is obvious.
In a Japanese hair salon, you can simply say カラーをお願いします (からーをおねがいします) to ask for hair coloring. For specific colors, say 〇〇色に染めてください (〇〇いろにそめてください).
Dyeing your hair is often prohibited by school rules in Japan.
脱色剤を使うときは注意が必要です。
You need to be careful when using a bleaching agent.