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RO Shedding is hair leaving; loss is hair not coming back. They look identical in a shower drain and mean completely different things. A shed hair has finished its cycle and its follicle is already preparing the next one. In hair loss the follicle is producing less each time, or has stopped — the drain looks the same, the scalp does not.
| Question | Shedding | Loss |
|---|---|---|
| Does density change? | Temporarily, then returns | Gradually and permanently |
| Where? | Evenly across the scalp | Concentrated in a pattern |
| How long? | Weeks to months, then stops | Continues over years |
| The hairs themselves | Full thickness | A mix of thick and fine |
Counting hairs answers less than people expect. Everyone sheds daily, the number varies with washing frequency and hair length, and a heavy day proves nothing on its own. What distinguishes the two is duration and whether the hair left behind is getting finer.
The two can run at the same time. A shedding episode on a scalp with early pattern loss makes the pattern visible sooner than it otherwise would have been. The shedding recovers; the pattern does not, and it is often mistaken for the cause.
After surgery, shedding is expected. Transplanted hairs are pushed into rest by the move and release within weeks — the follicle stays and regrows.
Related terms
For what normal post-surgical shedding looks like month by month, see hair transplant growth stages. For scalp showing through when hair is wet, see seeing your scalp when hair is wet.
