A curl routine for wavy hair

Wavy hair sits in an awkward spot. Too much movement to treat as straight, not enough spring to follow curly hair advice without ending up flat and greasy.

Most wavy routines fail for the same reason, which is that they borrow from curly routines designed for denser, coarser hair. Here is a routine built for waves specifically.

Why waves behave the way they do

Two bits of science explain almost all of it.

Curly and wavy fibres have a more elliptical cross section than straight hair, and the degree of curl relates to how the fibre is built. Less curl means less natural clumping, so waves need more help to group together.

And then the important one. Hydrogen bonds break when hair is wet and reform as it dries, so hair sets into the shape it dries in.

That single fact is the whole routine. Everything you do happens while the hair is wet, and then you leave it alone.

The routine

Six steps, most of which take seconds.

Wash less often than you think, but properly

Waves get weighed down by product build-up faster than curls do, because there is less texture to hold volume. Cleanse the scalp thoroughly, let the suds rinse through the ends, and do not scrub the lengths.

Condition the ends only

This is the big one for waves. Conditioner on the roots is the fastest route to limp hair. Mid-lengths down, every time.

Detangle wet, with conditioner in

Dermatologist guidance advises against combing curly hair when it is dry, because of the breakage risk. Do it wet, with slip, from the ends upward.

Apply product to soaking wet hair

Not towel-dried. Dripping. Water is what lets the waves clump into a shape rather than drying as separate strands.

Scrunch, do not stroke

Cup sections in your palm and push upward toward the scalp. Stroking downward pulls the wave out, which is exactly what you are trying to avoid.

Then genuinely stop touching it

Every touch while it is damp breaks the forming clumps and creates frizz. Air dry, or use a diffuser on low heat and low speed.

Product choices for waves specifically

The main difference from a curly routine is weight. Waves need less of it.

Mousse is the underrated hero for waves. Styling performance comes largely from film forming polymers, and how much you get determines both hold and stiffness, so a foam gives you structure without the weight of a cream.

The humidity question

Worth knowing if you are anywhere humid, which in Australia is most of us for part of the year.

Glycerin is hygroscopic, meaning it attracts and binds water, so how it performs depends on the moisture in the surrounding air.

In practice that means a product that is perfect in a dry Melbourne winter can behave differently in a humid Brisbane summer. If your waves suddenly puff up when the weather changes, you are not doing anything wrong. You may just need a different product for that season.

The practical response is to lean on hold rather than moisture when it is humid, and the reverse when it is dry.

Things that quietly ruin waves

• Brushing dry. Pulls the pattern out and roughs up the cuticle.

• Rough towel drying. Use a soft t-shirt and scrunch rather than rub.

• Touching it while it dries. The single biggest cause of frizz.

• Too much conditioner at the roots. The classic limp wave mistake.

• Skipping hold entirely. Waves drop faster than curls without it.

• Sleeping on it loose. A loose bun on top of your head keeps the shape.

If you want a starting point rather than building from scratch, our routines set out the order, and the curl shampoo and curl conditioner ranges are built for exactly this pattern.

Refreshing between washes

Waves rarely last three days untouched, and re-washing every morning is not the answer either.

The principle is the same as day one. Water reactivates the shape, because hydrogen bonds reform as hair dries. So a refresh is a small, controlled re-wetting rather than a fresh application of product.

A thirty second version

Wet your hands, not your whole head. Cup the sections that have dropped and squeeze upward. Add a very small amount of product only if the hair feels dry rather than just flat. Then leave it to dry again without touching.

Second day flatness at the roots is usually a volume problem rather than a curl problem, and it responds better to lifting at the scalp than to more product on the ends.

If you are reaching for product every single day, the likelier fix is more hold on wash day rather than more refreshing afterwards. Our keep my curl page covers the maintenance side in more detail.

In short

• Waves fail on curly routines because those routines are built for heavier hair.

• Wavy fibres have an elliptical cross section and clump less readily than tighter curls.

• Hydrogen bonds break wet and reform dry, so hair sets as it dries.

• Everything you do happens on wet hair, then you leave it alone.

• Cleanse the scalp properly, since waves show build-up quickly.

• Conditioner goes on the mid-lengths and ends, never the roots.

• Detangle wet with slip, from the ends upward, never dry.

• Apply styling product to soaking wet hair, not towel-dried hair.

• Scrunch upward rather than stroking downward.

• Air dry or diffuse on low heat and low speed.

• Mousse gives waves structure without the weight of a cream.

• Glycerin behaves differently depending on humidity.

• Lean on hold in humid weather and moisture in dry weather.

• Brushing dry, rough towel drying and touching while damp all cost you definition.

• Sleep with it loosely piled on top of your head.

Keep it light, keep it wet when you work with it, then keep your hands off. That is a wavy routine in one sentence.

For the full approach to waves and curls, our curl and wave hub is the place to go.