Graduation
Description
Graduation builds stacked weight by cutting hair at angles below 90 degrees. Essential for bobs, A-lines, and structured shapes that need body and movement.
Graduation (グラデーションカット)
Quick look
- What it is: Cutting hair at approximately 45-degree elevation to stack weight and create smooth, graduated silhouettes
- Also called: Graduated cut, stacked cut, wedge cut
- Key concept: One of the four foundational cuts in cosmetology alongside uniform layer, increase layer, and one-length
- Best scissors: Straight blade (直刃, naoba), beveled or semi-convex edge, 5.5 to 6.0 inch
Why it matters
Graduation is one of the structural pillars of haircutting. The technique creates a stacked weight line where shorter interior lengths push longer exterior lengths outward, producing volume and shape in a controlled way. Classic graduated bobs, wedge cuts, and stacked nape shapes all rely on this principle.
The technique sits at the heart of the Sassoon ABC system. Vidal Sassoon’s geometric approach codified graduation as one of three essential shapes (alongside one-length and layering), and it remains central to Western cosmetology education worldwide. In Japanese salon training, グラデーションカット (guredēshon katto) is taught as a core foundational form before stylists progress to advanced texturizing methods.
The elevation angle is what defines a graduation cut. Hair is lifted to roughly 45 degrees from the head and cut at that angle. Below 45 degrees, weight builds more aggressively. Above 45 degrees, the cut begins to transition into layering territory. Precision in this elevation is what separates a clean graduation from a muddy one.
Technique map
| Term | Elevation | Result |
|---|---|---|
| Low graduation | 0 to 30 degrees | Heavy weight line, strong silhouette |
| Classic graduation | 45 degrees | Balanced stacking, smooth weight build |
| High graduation | 45 to 90 degrees | Transitional zone toward layering, lighter feel |
Recommended scissors
| Feature | Recommendation |
|---|---|
| Blade type | Straight (直刃) |
| Edge type | Beveled or semi-convex |
| Size | 5.5 to 6.0 inch |
| Handle | Offset or classic for consistent elevation control |
Usage notes
Straight blades are the standard for graduation because the cut line needs to be clean and predictable. The blade edge runs parallel to the section, giving you an even line across the full closure. Curved blades can introduce inconsistencies in the weight line, which defeats the purpose of a precise graduation.
A beveled edge provides grip on the hair during cutting, which helps maintain line accuracy on coarse or resistant textures. Semi-convex edges offer a balance between grip and smoothness that works well across most hair types.
Over-direction is the most common error. If sections are pulled too far forward or backward from their natural fall, the graduation will be uneven when the hair drops. Let the hair fall naturally before lifting to your target elevation.
Cross-check by pulling sections vertically after completing horizontal graduation. You should see a smooth diagonal line from short to long. Any bumps or flat spots indicate inconsistent elevation during the cut.
Related links
| Straight Blade | Beveled Edge | Semi-Convex Edge | Scissor Sizes | Blunt Cut |
Verified Sources
- Secondary 🇯🇵 JobVR — Haircut Types Guide (education reference)
- Secondary 🇯🇵 Morikoshi / SENJYU Professional Team (education reference)
- Tertiary SalonExam — Hair Cutting Techniques (reference)
Frequently Asked Questions
Approximately 45 degrees. Hair is lifted from the head and cut at that angle to stack weight. Below 45 degrees the cut becomes a low graduation with a heavy weight line; above 45 degrees the cut transitions into layering territory. Precision in the elevation is what separates a clean graduation from a muddy one. The system is central to the Sassoon ABC approach, where graduation sits alongside one-length and layering as one of three essential geometric shapes in Western cosmetology education.
Because the cut line needs to be clean and predictable. A straight blade edge runs parallel to the section, giving you an even line across the full closure — curved blades can introduce inconsistencies that defeat the purpose of a precise graduation. Pair the straight blade with a beveled edge for grip on coarse or resistant textures, or a semi-convex edge for the balance between grip and smoothness that works well across most hair types. 5.5 to 6.0 inch lengths with an offset or classic handle support consistent elevation control.
Over-direction. Pulling sections too far forward or backward from their natural fall produces an uneven graduation that looks wrong once the hair drops back into place. Let the hair fall naturally before lifting to your target elevation. Cross-check by pulling sections vertically after the horizontal graduation is complete — you should see a smooth diagonal line from short to long, and any bumps or flat spots indicate inconsistent elevation during the cut that need correcting before the service is finished.