Cheveux in French: Always Plural, Never Poils
Cheveux means hair and is normally plural in French. Learn why un cheveu is one strand, how poil differs, and the adjective agreements.
Tell a French hairdresser je veux couper mon cheveu and you have asked them to cut a single strand. French does not treat hair as a mass the way English does; it counts the strands, then talks about them in the plural. And it keeps an entirely separate word for the hair everywhere else on the body, which is a distinction worth getting right early.
Quick answer
Les cheveux means the hair on your head and is normally plural. Un cheveu is one single strand. Le poil covers body and animal hair, and confusing the two is a mistake with social consequences.
Quick answer
English treats hair as an uncountable mass, so “my hair is long” uses a singular. French counts: the head carries many strands, so the noun goes plural and everything agreeing with it follows. Mes cheveux sont longs - plural noun, plural verb, plural adjective. The singular exists but means exactly one strand, which is rarely what you want to say.
Mes cheveux sont trop longs. → My hair is too long.
Il y a un cheveu dans ma soupe. → There is a hair in my soup.
Meaning and usage: Why the plural changes the whole sentence
Once the noun is plural, agreement spreads. The verb takes a plural form and adjectives take a plural ending: ses cheveux sont bouclés, not a singular anywhere. Learners who carry the English singular across produce mon cheveu est long, which describes one strand and sounds faintly absurd. Fix the noun and the rest of the sentence corrects itself.
Ses cheveux sont bouclés et très épais. → Her hair is curly and very thick.
Elle a les cheveux courts depuis peu. → She has had short hair recently.
Examples in context: Cheveu against poil
The two words divide the body between them, and the line is not negotiable.
Which word for which hair
| French | Where | Note |
|---|---|---|
| les cheveux | Head only | Normally plural |
| un cheveu | One strand | Singular, countable |
| les poils | Body, animals | Never for the head |
| la fourrure | Animal coat | Fur |
| une mèche | A lock or strand | Styling |
Le chat perd ses poils partout. → The cat sheds its fur everywhere.
Nuance and register: Describing hair with avoir
French describes physical features with avoir plus a definite article, not with a possessive: elle a les cheveux blonds, literally “she has the hair blond.” The English instinct produces ses cheveux sont blonds, which is grammatical but less idiomatic for a description. The avoir frame is what you will hear in ordinary conversation.
Il a les cheveux noirs et les yeux verts. → He has black hair and green eyes.
Elle a les cheveux raides. → She has straight hair.
At the hairdresser
A few phrases cover most of a visit. Se faire couper les cheveux is to get a haircut, and the reflexive matters - you are having it done rather than doing it. Une coupe is the cut itself, and aller chez le coiffeur is the standard way to say you are going. Note that the verb takes the article, not a possessive.
Je vais me faire couper les cheveux samedi. → I am getting my hair cut on Saturday.
Elle va chez le coiffeur ce matin. → She is going to the hairdresser this morning.
Common mistakes to avoid
Do not use the singular for a head of hair, since that means one strand. Do not use poil for the head, which is genuinely rude and will land badly. Do not forget plural agreement on the adjective. And do not say couper mes cheveux when someone else is doing the cutting; the reflexive se faire couper is the natural frame.
Tu as les cheveux mouillés. → Your hair is wet.
J’ai trouvé un cheveu blanc ce matin. → I found a grey hair this morning.
A memory tip for the plural
Picture the noun as a countable thing rather than a substance. English sees hair as a material, like water or sand, so it stays singular. French sees a head covered in individual strands and counts them. If you would count it, French pluralises it - and once the plural is automatic, the agreements follow without thought rather than as a separate thing to check.
Ses cheveux ont poussé très vite. → Her hair has grown very fast.
Practice the agreement
Say each aloud with full agreement before checking, listening for the plural on the adjective as well as the noun. “My hair is short” needs a plural noun, verb, and adjective. “He has brown hair” wants the avoir frame with the article. “There is a hair on your jacket” is the genuine singular. “I am getting my hair cut” takes the reflexive causative.
Mes cheveux sont courts maintenant. → My hair is short now.
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Questions about this note
Why is cheveux plural?
French counts individual strands rather than treating hair as a mass, so a head of hair is plural. The singular un cheveu means exactly one strand.
What is the difference between cheveu and poil?
Cheveu is for the head and poil for body or animal hair. Using poil about someone's head is rude, so the distinction is worth respecting.
How do I describe someone's hair?
Use avoir with the definite article: elle a les cheveux blonds. This is more idiomatic than a possessive with être for physical descriptions.
How do I say I am getting a haircut?
Say je vais me faire couper les cheveux. The reflexive causative shows that someone else is doing the cutting, which is usually the point.