Hair Lab Case File #001

Client Profile

Let’s Step Into the Salon

If Melissa sat in my chair, the first thing I would not do is recommend a product.

I would look at the whole picture.

That is something I think gets missed in online haircare. People ask, “What shampoo should I use?” but the better question is usually, “What is happening with my hair, my scalp, my lifestyle, my colour history, my water, and my routine?”

With Melissa, I would start by looking at the diameter of the strand. Fine hair means each individual hair strand is smaller in width. This is different from thin hair, which refers to how many hairs are on the head. Someone can have fine hair but a lot of it. They can also have coarse hair but low density.

Melissa’s hair is fine but medium density, which means she has a reasonable amount of hair, but each strand is delicate. That matters because fine hair can become weighed down quickly, especially if heavy conditioners, oils, silicones or styling creams are layered onto it without being properly washed away.

Then I would look at her colour history. Permanent colour every six to eight weeks means the hair has been through repeated chemical processing. Even when colour is done well, it still changes the hair. Permanent colour works by opening the cuticle enough to allow colour molecules to enter the cortex. That process can leave the hair feeling more porous over time, especially through the mid-lengths and ends.

This is why Melissa’s scalp and ends may feel like they belong to two different people.

Her scalp may feel oily or dirty quickly, while her ends feel dry, rough or faded. That does not always mean she needs stronger shampoo. Sometimes it means she needs a smarter routine.

The Hairdresser Assessment

The Science of Fine Hair

Fine hair is often misunderstood.

A lot of people hear “fine hair” and assume it means not much hair. That is not always true. Fine hair refers to the width of the individual strand. Density refers to how many strands are growing on the scalp.

This distinction matters because fine hair behaves differently from coarse hair. Fine hair often becomes oily-looking faster because the smaller strand size gives natural scalp oils less surface area to travel over before the hair appears shiny or flat. It can also lose volume quickly if too much conditioning product is placed near the roots.

For Melissa, this means the goal is not to smother the hair in moisture. The goal is to place hydration where it is needed most.

The scalp needs cleansing. The lengths need conditioning. The ends need gentle handling. The whole routine needs to avoid unnecessary buildup because fine hair shows buildup faster than thicker strands.

This is one reason shampoo bars can work beautifully for fine hair when used properly. A bar encourages more controlled use. Instead of squeezing a palmful of liquid shampoo into the hand and hoping for the best, you can apply the bar directly to the scalp area, build lather gradually, and focus cleansing where it is actually needed.

If you are new to shampoo bars, read Why Shampoo Bars Feel Different From Bottled Shampoo. That article explains why the first few washes can feel different and why that does not automatically mean the bar is not working.

The Colourology: Level 7 Natural, Level 6 Permanent Colour

Melissa’s natural colour is around a level 7. In hairdressing language, that usually sits in the dark blonde family. Her permanent colour is a level 6, which moves her slightly deeper into a light brown/dark blonde result depending on the brand, undertone and existing hair.

The scattered greys change the story.

Grey hair does not always behave like pigmented hair. It can be more resistant, especially around the hairline. It may feel wirier or drier, and it can reflect colour differently. That means Melissa’s hairdresser may need to formulate for coverage, softness and longevity, not just shade depth.

When permanent colour is applied every six to eight weeks, the regrowth area is the main target. But over time, the mid-lengths and ends can still experience colour refreshes, overlap or environmental fading. Travel makes this even more unpredictable. Sun exposure, hard water, salt air, dust, heat, swimming, and different shower conditions can all influence how the colour feels and looks.

For a client like Melissa, I would not want a harsh, stripping routine. I would want a routine that cleans the scalp properly while helping the coloured lengths feel smoother and less thirsty.

This is where the Hydration Shampoo Bar becomes the stronger starting point for her regular wash days. It suits the part of her story that needs softness, manageability and a less bulky routine.

Porosity: Why Her Ends Feel Dry but Her Roots Feel Oily

Porosity describes how easily hair absorbs and loses water.

Low porosity hair tends to resist water and product. High porosity hair takes water in quickly but can lose it quickly too. Colour-treated hair often becomes more porous because colouring affects the cuticle, which is the outer protective layer of the hair strand.

Imagine the cuticle like roof tiles. When the tiles sit smoothly, the hair reflects light better and feels smoother. When the tiles are lifted, chipped or roughened, the hair can feel dry, tangle more easily and lose moisture faster.

Melissa’s ends are older than her roots. They have lived through more colour, more brushing, more sun, more heat, more wind, more water changes, and more friction from towels, pillows, hats and travel life. So even if her scalp is healthy, her ends may still behave like they need extra care.

That is why “my roots are oily, so I need a stronger shampoo” can be a trap.

Sometimes the better answer is:

Cleanse the scalp properly, condition the ends properly, and stop treating the whole head like it has one single problem.

If your hair feels dry, fluffy or rough even after washing, read Signs Your Hair Needs Hydration, Not More Cleansing. That article connects closely to Melissa’s case.

Did You Know?

The Traveller Problem: Haircare Has to Earn Its Space

In a normal bathroom, a half-used shampoo bottle can sit in the shower for months without causing much trouble.

In a caravan, every bottle matters.

Bottles fall over. They leak. They take up space. They add weight. They create rubbish. They can be annoying to pack, especially when travelling between showers, caravan parks, public bathrooms or service stations.

This is why solid haircare makes sense for travellers. It is compact. It does not spill. It is easier to pack. It lasts a long time when stored properly. And when you are living with limited space, that matters.

For Melissa, an 80g shampoo bar may not look like much at first. But the value is in the number of washes, the lack of plastic, and the fact that it replaces a bulky bottle.

To understand this better, read How Long Does a Shampoo Bar Last?. That article explains why shampoo bars can be such strong value when they are dried properly between uses.

Myth vs Reality: “Fine Hair Can’t Use Conditioner Bars”

Myth: Fine hair cannot use conditioner bars because they will make the hair greasy, flat or heavy.

Reality: Fine hair can absolutely use conditioner bars. The key is placement, amount and rinsing.

This is one of the biggest mistakes I see in haircare education. People blame the product category when the real issue is technique.

Fine hair usually does not need conditioner rubbed heavily into the roots. The scalp produces its own oils, and applying too much conditioning product too close to the scalp can make fine hair collapse quickly.

For Melissa, I would recommend applying conditioner mainly from the mid-lengths to ends. I would let it soften the hair for a couple of minutes, then rinse thoroughly. The goal is not to coat the hair heavily. The goal is to reduce friction, improve slip and help the ends feel less rough.

A conditioner bar can be beautiful for travel because it removes another bottle from the routine. But like any conditioner, it needs to be used properly.

Read How to Use a Conditioner Bar Properly before judging whether conditioner bars work for your hair. The method matters.

If Melissa Were Sitting in My Chair, This Is the Routine I’d Recommend

Regular Wash Days

For most wash days, I would start Melissa on the Hydration Shampoo Bar. Her hair is coloured, fine and prone to dry ends, so I would want her main shampoo to support softness and manageability.

I would have her focus the shampoo on the scalp, not scrub the ends aggressively. The lather that runs through the lengths during rinsing is often enough to cleanse the ends without roughing them up.

Conditioning

I would pair it with the Conditioner Bar, applied mainly through the mid-lengths and ends.

For fine coloured hair, conditioner is not about drowning the hair. It is about giving the vulnerable areas enough slip that brushing, drying and daily movement cause less friction.

Occasional Reset Wash

If Melissa has been travelling through hard water areas, using lots of sunscreen, swimming, sweating, or feeling like her scalp is coated, I would occasionally bring in the Detox Shampoo Bar.

I would not necessarily use it every wash for her case. I would use it as a reset when the scalp needs a deeper clean.

Simple Starter Option

For someone who wants the easiest starting point, the Shampoo and Conditioner Bars Set makes sense because it gives the full routine without needing to overthink every step.

Hair Lab Score

This score is based on Melissa’s lifestyle and hair needs. A different person with coarse curls, virgin hair, heavy oil production or severe scalp concerns would need a different case file.

Culture Corner: Travelling Light Is Not New

Modern shampoo bars may feel new to some people, but the idea of travelling with compact, practical cleansing products is not new at all.

Across history, people have always adapted their washing rituals to their environment. Travellers, sailors, soldiers, nomadic communities and rural families could not always carry fragile bottles, endless jars or complicated routines. They used what was available, practical and portable.

This is why Melissa’s case matters beyond convenience. Her routine connects to something older: the human need to care for the body while moving through the world.

Haircare has never only been about vanity. It has been about identity, cleanliness, belonging, ritual, protection and resourcefulness.

For Cooper Delivered, that is where shampoo bars become more than a swap. They are a return to practical beauty. Less excess. Less plastic. Less clutter. More intention.

Why This Works for Melissa

Melissa does not need a ten-step routine.

She needs a routine that respects her hair and her lifestyle.

The Hydration Shampoo Bar gives her a compact cleansing option for coloured hair that needs softness. The Conditioner Bar supports her ends without adding another bottle to the van. The Detox Shampoo Bar gives her a reset option when travel conditions create buildup. And the full set gives her a simple way to start without standing in a shop aisle trying to decode everything.

This is the heart of good haircare.

Not more products. Better decisions.

If you are unsure which bar suits your hair, read How to Choose the Best Shampoo Bar. That guide will help you match your routine to your actual hair needs.

Final Hairdresser Notes

Melissa’s hair is not difficult. It is simply misunderstood.

Fine coloured hair needs balance. It needs cleansing without harshness, hydration without heaviness, and routine without clutter.

Caravan life makes this even more important because there is less room for trial and error. Every product has to work. Every item has to justify the space it takes up. Every wash day has to be simple enough to repeat in real life.

That is why this first Hair Lab Case File matters.

It shows what Cooper Delivered is really here to do: not just sell shampoo bars, but teach people how to understand their hair, their habits, their rituals and their choices.

Because when you understand the hair, the routine becomes easier.

And when the routine becomes easier, sustainable choices become easier to keep.