Simple curl care

Defined curls in
one simple ritual.

Style + Treat™ Curl Activator works best with one golden rule, the right technique and a few good tools. Master these and your curls do the rest.

★★★★★ 4.8 from 1,006 reviews ✓ 50,000+ customers ✓ Marie Claire Hair Award Winner 2026
The golden rule

Finding the balance: product + water

Water helps the formula absorb fully and sculpt your curls. Too little and it sits on top. Too much and it can't hold. Tap each level to see what your hair should look like.

Drag the dot or tap a level

Dry, frizzy curly hair Towel-dried curly hair starting to frizz Pressing curl activator into wet curly hair Dripping wet curly hair

Personalise it

Tune it to your curl type

One formula for every pattern from 2A to 4C. What changes is how much you use and how you work it in.

How much

Best technique

Your finish

The ritual

Six steps to defined curls

Tap through at your own pace. Each step tells you why it matters, so you know what to adjust.

Step 1 of 6 Washing curly hair Sectioning hair Pressing product into a section of hair Sculpting curls and scrunching Drying curls Scrunching out the cast
Step 1

Good wash

Start with a clean canvas and wash out any build-up from old products, sweat and the environment. Then squeeze out excess water with your hands, but don't towel-dry. Wet hair is ready to absorb.

Why it matters: product can't grip hair that's coated in build-up, and it won't absorb properly into damp or dry hair.
Step 2

Section in layers

Split your hair into 4–6 manageable sections, or more for thick or coily hair. Clip away what you're not working on. If a section starts to dry, re-mist it.

Why it matters: working in sections means every strand gets coated, so no frizz pockets appear once you're dry.
Step 3

Press it in, don't dab

Emulsify product between your palms, then press it firmly into each section with flat hands, smoothing down from root to tip. Then rake your fingers through to make sure every strand is coated.

The step most people miss: lightly dabbing or patting leaves product sitting on the surface. Pressing it in lets it absorb into each strand and smooth the cuticle, which is where definition and frizz control come from.
Step 4

Sculpt, lift & scrunch

Run the 7-Row Styling Brush or Styling Tooth Comb through each section to spread product evenly and sculpt curls into clumps. For root lift, lift the roots upward with the brush or comb at the crown. Finish by scrunching from ends to root and holding for 2–3 seconds.

Keep it wet: the “squelch” sound tells you there's enough water to set the shape. If hair has started drying, re-mist before you scrunch.
Step 5

Hands off while drying

Air-dry, or diffuse on low heat and low speed. A light “cast” (a slightly firm feel) will form. That's the hold working, so don't touch it.

The #1 cause of frizz: touching curls before they're 100% dry. Leave them be.
Step 6

Break the cast

Only once curls are completely dry, scrunch upward gently to break the cast. This releases softness, movement and volume.

Result: soft, defined curls that last for days. Want more hold? The formula is buildable, so see below.

Swipe to move between steps

Prefer to watch?

See the full ritual from wash to finish.

How to apply Curl Activator video
Level up your results

Let the tools do the work

Fingers work, but the right tools spread product more evenly, sculpt sharper curls and give you lift at the root, in less time.

Distribute

Carries product evenly through every strand, so no frizz pockets.

Sculpt

Groups wet strands into clumps for bigger, smoother curls.

Lift

Lift roots while wet, then diffuse, for volume that lasts.

Sculpt + lift7-Row Styling Brush

7-Row Styling Brush

Our pick for definition: smooths curls into clumps and lifts roots.

Shop · £22
Detangle + DistributeStyling Tooth Comb

Styling Tooth Comb

Rakes product evenly through wet hair, with fewer knots and less breakage.

Shop · £8
Keep it wetNano Mist Bottle

Nano Mist Bottle

Keeps sections wet while you style and powers your day-2 refresh.

Shop · £8
Dry + WarmXL Microfibre Blanket Towel

XL Microfibre Towel

Gently scrunch out excess water without the frizz a cotton towel causes.

Shop · £20
Buildable by design

Start light. Build up.
Refresh for days.

You're in control. Layer more for extra hold and definition, and your curls stay soft either way. Between wash days, water and a touch of product bring your curls straight back.

Build your hold

Always add layers to wet hair, and re-mist first if needed. Press each layer in.

Softness · always
Definition
Hold & frizz control

The refresh cycle

No need to restyle from scratch. Bring day-one curls back in minutes.

  • 1

    Wash day

    The full ritual on wet hair. Let water flow through, finger-detangle, cleanse, then style.

  • 2

    Refreshing

    Mist with the Nano Mist Bottle to rehydrate, rework your curls and add a little diluted product if needed. Lightweight and buildable, so it never feels heavy.

  • ↻

    Reset

    When curls feel heavy or a refresh no longer works, it's wash day. Start again on a clean canvas.

Real results

Same hair. One ritual.

Real people with every pattern from waves to coils. Drag each photo to compare before and after.

AfterBeforeBeforeAfter
Gentle enough for little ones
AfterBeforeBeforeAfter
Volume to defined ringlets
AfterBeforeBeforeAfter
Frizzy lengths to glossy, springy curls
AfterBeforeBeforeAfter
Limp waves to soft, defined texture
AfterBeforeBeforeAfter
Long curls to clumped definition
AfterBeforeBeforeAfter
Coils styled to lock in moisture
AfterBeforeBeforeAfter
Undefined waves to bouncy curls

Swipe for more · drag the handle to compare

Problem + Solution

Not quite there yet?
Let's fix it.

Almost every issue comes down to water, technique or handling. Pick what you're seeing.

Quick wins

The six most common mistakes

1

Dabbing instead of pressingLightly patting product on leaves it sitting on the surface. Press it firmly into each section with flat palms so it absorbs into every strand and smooths the cuticle.

✕

Applying to towel-dried hairApply straight out of the shower. Squeeze the water out, don't rub.

✕

Using too much, too fastIt's buildable. Start with one even layer and add more only where you need it.

✕

Skipping sections and toolsUneven coverage creates frizz pockets. Sections plus a brush or comb fixes it.

✕

Touching curls while they dryThe quickest way to undo your definition.

✕

Breaking the cast too earlyIf hair is even slightly damp, wait. Once it's 100% dry, scrunch it out.

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Popular questions, answered

Will it work on my curl type?

Yes. Curl Activator is formulated for every pattern from loose 2A waves to tight 4C coils. What changes is your technique and how much you use. Use the curl type guide above to tune it.

Can I add more product for extra hold?

Yes, it's buildable. Add a thin extra layer to wet hair (re-mist first if needed) and press it in. Build up for more hold on humid days, or keep it to one layer for a lighter, natural finish. Either way, curls stay soft once you break the cast.

How do I refresh between wash days?

Curl Activator is made to be refreshed between wash days. Start by misting with the Nano Mist Bottle: its fine, even spray rehydrates your curls and reactivates the product already in your hair. For more definition, rub a small, diluted amount of product with water between your palms, press it into any sections that have dropped, scrunch and let dry. It's lightweight and buildable, so it won't weigh curls down.

I have fine hair. Will it weigh it down?

It's lightweight and non-greasy, giving hold without heaviness. Use one layer, focus on mid-lengths to ends, and use a brush or comb to lift your roots before you diffuse.

Why does my hair feel stiff when it dries?

That's the cast, a light film that locks in your curl shape while it dries. Once your hair is 100% dry, scrunch it out and you'll be left with soft, defined curls.

Is it safe for kids and sensitive scalps?

It's dermatologically tested and scalp safe, and certified by the Vegan Society and Leaping Bunny. As with any new product, patch test first if you have very sensitive skin.

Ready when you are

Your best curl day
starts here

Style + Treat™ Curl Activator: one buildable product for definition, hold and softness, for curls 2A to 4C. Pair it with the tools for the full ritual.

★★★★★ 4.8 · 1,006 reviews ✓ Vegan & cruelty-free ✓ Free UK delivery over £50