The brick lay perm

Borrowed from bricklaying, and the name is not decoration

A bricklayer does not stack bricks directly on top of one another. A continuous vertical mortar line makes a wall that splits along it, so each course is offset over the seam of the one below. Rod placement took the idea and the name with it.

Row one takes two rods. Row two centres its first rod directly beneath the gap between them. Row three offsets again, and the pattern travels down the head. What that produces is a scalp with no straight line anywhere on it: every place a parting would want to run into is blocked by the base above it.

The consequence is mechanical rather than aesthetic. Hair falls open where there is a channel to fall open into. Take the channels away and the roots interlock instead, the curls flow over the gaps, and the scalp stays covered. You can push the hair forward, back or sideways and no rigid parting asserts itself, because none was set into the root in the first place.

Nothing about the hair, the bottle, the rod or the timing has changed. Only where the rods sit — and that alone is the difference between seeing your scalp and not.

I labour the point because placement is the part of a perm most often decided by habit. Rod size gets discussed, lotion strength gets discussed, and the pattern — which is free, and which decides whether the result looks like hair or like a diagram — is usually never mentioned to the client at all.

The splits it exists to remove

In a straight set, rods sit in continuous columns. While the reducing lotion works, the hair is held open at the edge of every rod, and the neutraliser then sets the root direction it finds. The parting stops being a comb line and becomes part of the hair. When the head dries it falls open along those lines and shows strips of scalp from crown to nape.

A brick lay removes the cause rather than disguising the symptom. There is no offsetting the problem after the fact: once the neutraliser is on, the root direction is decided. This is a wrap where the whole decision is made with a comb, in the ten minutes before any chemistry comes near the head.

Where it matters most

The crown whorl

Most people have a circular growth pattern at the back of the crown. Lay a rigid column across it and the split lands exactly where the hair is already least willing to cover, producing the round bare patch clients read as a bald spot. Starting the stagger at the crown is the single highest-value thing this pattern does, and it is why a careful stylist begins there rather than at the front.

How it fails

Pattern drift

Lose the offset partway down the head — a distraction, a conversation, an awkward angle — and two rows align by accident. One jagged split then appears in an otherwise seamless head, which looks worse than a whole head of honest grid lines because nothing else explains it. This is a concentration failure rather than a skill failure, which is exactly why it catches experienced people.

It is also the usual choice in men’s texture work, where the hair is worn pushed forward or back rather than parted, and where a visible channel across a short crown has nowhere to hide. That is a description of what the pattern does, not a claim about its importance.

The clients who need it most can take the least

Here is the awkward thing about this wrap, and it runs against the grain of the rest of the block.

A brick lay is very often chosen precisely because the hair is fine, sparse or thinning and the client cannot afford to see scalp. That same hair is usually the least able to take a strong lotion. So the pattern that best hides a sparse scalp and the chemistry that best holds a curl are pulling in opposite directions on the same head, at the same appointment, for the same person.

How that gets resolved

Choose the mildest chemistry that will hold, and never push the strength up to compensate. If the mildest chemistry that hair can take will not hold the shape being asked for, the answer is a different shape — a larger rod, less curl, or no perm — not a stronger bottle on fragile hair. A perm that holds for six months and costs you the hair is not a perm that worked. See the cysteine perm.

There is a quieter version of the same trap. Because a brick lay hides the scalp so well, it can flatter hair that should not have been permed at all: the pattern covers what a straight set would have exposed, and the diagnosis gets skipped because the head looks fine. The elasticity test does not become less important because the wrap is more forgiving. If anything it becomes more so, because the wrap has removed the warning sign.

Bleach

Usually no — and usually is doing real work in that sentence. Bleaching oxidises the sulphur that holds hair together into a form no neutraliser can rebuild: cystine becomes cysteic acid, and the neutraliser needs two sulphur atoms it can no longer find. So most bleached or highlighted hair takes a curl that drops out within weeks while the hair pays for it. That is the default and the default is no. Highlights count, foils count, and grown-out bleach still on the lengths counts. A staggered pattern hides scalp; it does nothing whatever to the chemistry. But it is a judgement made on the hair in front of me — how much lightener, how long ago, how much has grown out, what condition the rest is in — and occasionally, in the right hands and at the right strength, it is possible. Assume no, and come and let me look rather than deciding from a page. See bleach damage.

How it is executed

Consultation. Styling direction and daily habit, plus any whorl or cowlick found by combing the dry hair rather than assumed from the wet.
Clarifying wash. Build-up removed, cuticle prepared, hair towel-dried.
The crown first. The stagger starts at the back of the crown, because that is the area with the most to lose and the pattern needs to be established while concentration is fresh.
The staggered wind. Rods wound croquignole, ends to scalp, each row offset over the gap in the row above. The base still matches the rod — no wider than the rod is long, no deeper than it is thick — and the elevation is still chosen rod by rod. Offsetting the bases does not exempt you from base control.
Bands. Fastened across the top of each rod, never dug into the root. A band pulled tight across swollen, chemically softened hair at the scalp is the commonest cause of a row of stubble.
Lotion, processing, test curls, rinse, neutralise. Identical to any other wrap. This is the point: nothing chemical is being asked to do anything different.

It takes a little longer than a grid, and it asks the stylist to hold a pattern in their head while doing everything else. That is the entire premium. It is not a different service, it is not a different product, and it should not appear on a bill as an upgrade.

What a staggered pattern cannot do for you

Hair has to travel round the rod at least two and a half times to form a complete S. Below that, no amount of chemistry produces a curl.

Placement questions and rod questions get answered as though they were one question, and they are not. A brick lay will hide your partings. It will not make a rod too large for your length hold a curl, and on short hair a genuinely large rod cannot complete the turns at all — so the soft, wide wave off big rods is decided by arithmetic long before anyone chooses a pattern.

Three other limits are worth stating plainly.

Limit one

A deliberate parting

If the style depends on a sharp, permanent parting or a fringe that has to fall one specific way, staggering the bases works against you. That is a directional wrap, which decides your partings rather than hiding them.

Limit two

Very long hair

A stagger can be held across spiral or double-rodded placements, but the geometry gets complicated quickly and the gain shrinks: long hair covers its own scalp. The pattern earns its keep most on short and mid-length heads.

Limit three

Your own growth

The seamlessness holds until the roots grow out a couple of inches, at which point your native growth patterns and any strong whorl begin to reassert themselves. Placement is a lease, not a purchase.

And it cannot be done at home. Staggering bases on the back of your own head in a mirror is not a matter of care or patience; it is geometrically unmanageable, which is why home kits all instruct a grid and why home perms look like grids.

Wearing one, and how to ask for it

The point of a brick lay is that it asks nothing of you. There is no parting to maintain and no channel to style over, so wash, put a light cream through it, diffuse or leave it, and push it about with your fingers. If a wrap needs a round brush to look right, it was the wrong wrap.

Longevity belongs to the rod rather than the pattern. A tight coil on a small rod holds six to eight months, a classic mid-size rod four to six, a large-rod wave two to three. What the stagger buys you is not a longer life; it is a better-looking one for however long the curl lasts, and a grow-out with nothing to draw the eye.

In London the water does its usual work: calcium loads the shaft, the curl goes heavy and stiff, and a seamless canopy starts to look flat rather than dense. A chelating wash every few weeks fixes more than any styling product will. In strong sun the front hairline takes the worst of it, since a brick lay is usually worn pushed back off the face.

As for asking: do not ask about the wrap. Ask about the outcome. Say you do not want to see any scalp lines when it dries and you want to be able to push your hair around rather than have it fall into a fixed parting. Somebody who works this way will tell you they will stagger the crown, and will probably explain why before you finish the sentence. Somebody who has not thought about placement will answer you about curl size instead, which tells you what you needed to know without either of you having an awkward conversation.

Questions

Why does my old perm have a bald patch at the back of my head?

Most likely a straight set laid across a natural crown whorl. Rods stacked in a column hold the hair open along one line, the neutraliser sets that parting into the root, and it opens exactly where the hair was already reluctant to cover. It is a placement result rather than hair loss. Staggering the bases prevents the split from forming at all.

Does a brick lay change the size of my curls?

No. Curl size comes from the diameter of the rod and firmness from the lotion. The stagger changes only where the rods sit, which decides how the roots lie against the scalp and whether any parting shows. Those are genuinely different questions and they get confused constantly.

Why is it called a brick lay?

After masonry. A bricklayer offsets each course over the seam of the two below, because a continuous vertical mortar line makes a wall that cracks along it. A stylist offsets each row of rods for the same structural reason: no continuous line, nothing to split open.

Can it be done on long hair?

Yes, though the geometry gets complex and the benefit is smaller, because long hair covers its own scalp. Staggered placements can be held across spiral or double-rodded winds. On short and mid-length hair, which is where scalp actually shows, it earns its keep every time.

Should a brick lay cost more than a normal perm?

Not as a line on the bill. It is a fundamental professional technique rather than a premium product, and it uses the same lotion in the same time band. It does take longer and it demands more attention, so you are paying for the person rather than for an upgrade — and if it appears as a chargeable extra, ask what exactly is being added.

My perm is seamless everywhere except one line near the crown. What happened?

Pattern drift. Somewhere in the wind the offset slipped and two rows aligned, which leaves a single jagged split in an otherwise seamless head. It cannot be corrected chemically, because the root direction was set by the neutraliser. It can be styled over, and it grows out with the root. It is worth mentioning to whoever did it, calmly, because it is the kind of error a good stylist genuinely wants to know about.