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Fine strands of hair laid in a curve on cream paper

Fine vs thin hair

Fine is about the size of each strand. Thin is about how many strands you have.

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Fine hair

Fine hair has narrow strands. You can have a lot of fine hair. Fine hair can go flat easily.

Thin hair

Thin hair means fewer strands on the scalp, so more scalp shows.

How to tell at home

  • A stylist can tell you whether your strands are fine.
  • The AAD says that in women, the first sign of inherited hair loss is usually overall thinning or a widening part.

Why it matters

Fine hair is a styling question: wash, condition, and dry for lift. Hair that is becoming thinner is a health question. Thinning hair

Fine is not thin. Strand size vs strand count.

FAQ

We make no such claim. Styling can make fine hair look fuller for a while.
Yes. Many fine strands is fine, dense hair.

See a doctor or dermatologist about scalp conditions, hair loss, or sudden thinning.

General information, not medical advice. Patch test new hair products, keep them out of your eyes, and stop use if irritation occurs. See a doctor or dermatologist about scalp conditions or hair loss.

Hair swatch beside a glass of water with droplets on the strands

Density and porosity

Two more ways to describe hair.

Jar of cream, drops of oil, and a wide-tooth comb on oak

Why hair goes flat

Oil, weight, and heat.

Soft brush and wide-tooth comb on a folded linen towel

Thinning hair

When to see a dermatologist.

Then: why it goes flat

Oil, weight, and how you dry can all play a part.

Read why hair goes flat
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