Mushroom Tooth

Tooth types
Toothed-model instrument

Keep count, construction, published rate, and trial together

Tooth count is one descriptor; geometry and model-specific maker data can produce different published ratios at the same count.
Apply to Mushroom Tooth
COUNT ≠ CUT RATE
Count convention Profile + spacing Blade arrangement Rate + trial
  1. 01 Count Use the maker's counted teeth, zones, and per-blade convention.
  2. 02 Geometry Record profile, width, gaps, grooves, overlap, and escape path.
  3. 03 Arrangement Name one- or double-comb construction, orientation, and handed model.
  4. 04 Result evidence Keep any published ratio model-specific and use a controlled trial.

Do not inferCount, a tooth-name, or a retail label cannot supply a universal removal percentage, hair-type match, placement, or result.

Description

Mushroom tooth is a retailer and secondary-source name for rounded thinning teeth. No first-party maker definition has been located under the name.

Mushroom Tooth (マッシュルームトゥース)

Mushroom tooth is a retailer and secondary-source name for thinning teeth with rounded, cap-like tips. No current first-party maker model, catalog definition or technical drawing has been located under the name, so treat it as a search lead rather than a cross-maker geometry, and go by the exact model’s published cut rate.

Quick look

  • What it is: A retail and secondary-source name for thinning teeth with rounded, cap-like tips
  • Maker status: No first-party maker, catalog definition or technical drawing located under the name
  • Best for: Nothing follows from the name; judge the named model
  • Result: Depends on that model’s published cut rate and its own tooth drawing

What is and is not verified

An inherited secondary source uses mushroom teeth for thinning teeth with rounded, cap-like tips. Repeated English, Japanese and German searches did not locate a current first-party professional hair-shear model, catalog definition or technical drawing under the name. That is a negative finding rather than proof that no maker has ever used the phrase, and it is not enough to identify a product, select a rate or write service instructions.

A rounded tooth tip is physically plausible, and maker pages do show proprietary rounded-tip designs. Hikari’s 1991 and 1992 thinning-shear patent discloses blunt pyramidal and chisel-shaped non-cutting guide ends alongside grooved cutting teeth. It never calls those forms mushroom and does not identify a current model, so a visual resemblance or a rounded promotional photograph is not enough to assign the label.

The term is therefore useful as a search lead. It is not a construction field you can record next to V-groove, stepped or grooveless teeth without a maker drawing to attach it to.

What the name does not tell you

Removal per pass, line visibility and hair-type suitability follow from the exact model: tooth width and spacing, the groove or landing form, the opposing blade, blade clearance, orientation, section, angle and number of passes. None of them follow from the word mushroom.

For a thinner sold with this description, ask for a named current model, a first-party profile drawing, tooth-head dimensions or spacing, a published cut rate and the maker’s test caveat. If the seller can supply only the term, treat the removal rate as unknown and compare the tool on an inconspicuous strand instead.

Sources and limits

Nothing on this page is a maker specification. The term comes from an inherited secondary source and from retail use, and the recorded searches for a first-party definition returned nothing. The Hikari patent described above is the closest documented construction, and it does not use the name.

No rate, grip ranking or hair-type prescription is given here, because none is published for the term. Where a maker does publish a rate for a named model, that figure belongs to that model and should be carried with the maker’s own test conditions.

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Quick clarifications

Frequently Asked Questions

3 answers you can open one at a time
Do mushroom teeth leave fewer visible lines than V-teeth?

That claim cannot be checked, because no first-party maker definition or drawing exists under the name. A rounded tooth tip is physically plausible and maker pages do show proprietary rounded-tip designs, but no comparative test has measured line visibility for a mushroom-tipped head against a V-notched one. Line visibility follows the exact model’s rate, section, placement, angle and number of passes.

When is a mushroom-tooth thinner the wrong choice?

Whenever the name is the only specification you have. The phrase does not identify a construction, a rate or a grip level, so it cannot tell you whether the tool suits thick hair, fine hair or a finishing pass. Judge the named model by its published cut rate and its own tooth drawing instead. Where no rate is published, treat the value as unknown and test on an inconspicuous section.

What should you ask for before buying a thinner sold as mushroom tooth?

Ask for a named current model, a first-party profile drawing, tooth-head dimensions or spacing, a published cut rate and the maker’s test caveat. A rounded promotional photograph without a named geometry does not establish a cross-maker category. If the seller can supply only the term, compare the tool on a strand test rather than relying on the description.

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Last updated: September 28, 2026 · by