The slick back has one non-negotiable ingredient — length on top — and one big decision: what happens on the sides. Get those two things across clearly and the rest of the appointment is detail work.
Here's the script: the exact words, the guard numbers for each version, how to pick a useful reference photo, and the questions coming back at you from the chair.
What are the exact words to use?
Say this, adjusted to taste:
"I wear it slicked back. Keep the top long — just tidy the ends and take some weight out so it lies flat. Sides faded with a two at the shortest, blended into the top. Clean up the neckline."
The load-bearing phrases:
- "Keep the top long" — say it early. The single most common slick back tragedy is a barber shortening the front before the direction was mentioned. Once the front can't reach back, no product saves it.
- "Take some weight out" — internal thinning is what makes thick hair lie down. Without it you get a swept-back mushroom.
- "So it lies flat" — tells the barber to cut for backward direction, checking the fall the way you'll wear it.
- Name your sides — "blended," "faded," or "disconnected undercut." These are three genuinely different cuts. Don't leave it to chance.
Which guard numbers and side options should you ask for?
The top is scissors-only territory. The sides are where numbers come in:
- Blended, no clippers: ask for "scissor-cut sides, blended into the top." The classic executive look — no guard needed.
- Number two or three, blended: tidy contrast, easy grow-out, office-proof. The safest modern default.
- Fade to skin: "low or mid skin fade, keep the top full." Sharp edges, two-to-three-week upkeep.
- Undercut, number one or two all over the sides: "one length on the sides, disconnected — no blend into the top." Boldest version; be sure before you say the word "disconnected," because it takes months to grow back into a blend.
If guard numbers are new territory, the guard number guide translates them to millimetres.
How should you use a reference photo?
For slick backs, the photo's real job is showing the sides. Slicked-back tops look near-identical in pictures; a blended classic and a hard undercut do not. Find a shot where you can actually see the ear and temple area, and say "sides like this."
Check the texture match too. A glass-smooth slick back photo is usually straight hair plus blow-dry plus high-shine pomade — if your hair is wavy, ask the barber what that photo translates to on your head. Usually the answer is the looser, matte version, which is a great look; it's just a different one.
One more honest check: the models in slick back photos almost always have dense, straight hairlines. If yours is receding, say you want a version that works with it — expect the recommendation to lean textured rather than mirror-flat.
What will the barber ask you back?
- "How long have you been growing it?" Translation: is there enough top to slick back today? Around ten centimetres is the working minimum. If you're short of it, expect a staging plan rather than the full look in one visit.
- "Blended or disconnected?" The biggest fork in the road. Blended grows out gracefully; disconnected is sharper but a commitment.
- "Shiny or matte?" Your answer changes the layering. High-shine, comb-flat styles want a more uniform top; matte, pushed-back styles want texture cut in.
- "What does your crown do?" A strong crown cowlick can veto a dead-flat slick back. The barber will check and tell you which version your growth pattern actually supports.
That conversation takes five unrushed minutes at Studio K — one chair, no line behind you. Book the chair and bring the photo of the sides you want.