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M40 Hair Mask

Tried, Loved, Repeated

$49.99
Size300ml
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M40 Hair Mask

$49.99
What is M40?

The M40 Hair Mask delivers instant restoration and long-term strength for dry, damaged, or over-processed hair. Infused with nutrient-rich actives, this rich, creamy formula penetrates deeply to repair breakage, replenish moisture, and smooth each strand from within.

Is M40 suitable for all hair types?

Safe for all hair types and colour-treated hair, M40 is your weekly reset for strong, silky, frizz-free results.

Benefits of M40

✔️ Deeply nourishes and repairs damaged hair
✔️ Restores moisture, shine, and smoothness
✔️ Safe for all hair types and colour-treated hair
✔️ Paraben, sulphate, cruelty-free & vegan

How do I apply M40?

Apply a generous amount to clean, damp hair. Leave for 5–10 minutes, then rinse thoroughly. Use once or twice a week for deeply nourished, frizz-free results.

Ingredients

Aqua/water, dimethicone, stearyl alcohol, cetyl alcohol, canola oil, argania spinosa (argan) kernel oil, butyrospermum parkii (shea) butter, hydrolyzed vegetable protein PG-propyl silanetriol, cetearyl glucoside, glyceryl stearate, PEG-100 stearate, steareth-2, polyquaternium-37, PPG-1 trideceth-6, glucose, sorbitan oleate, citric acid, acrylates copolymer, dicaprylate/dicaprate, caprylyl glycol, cetearyl alcohol, isopropyl alcohol, stearamidopropyl dimethylamine, polyacrylamide, propyltrimonium chloride, disodium EDTA, acetamide MEA, chlorphenesin, potassium sorbate, phenoxyethanol, hydroxy citronellal.

Shipping and Returns

We offer free standard shipping on all Australian orders, with express delivery available for $4.95 at checkout. Orders are typically dispatched within 2 business days, and tracking details will be emailed once your order has shipped.

At this time, we do not offer international shipping.

Due to the nature of our products, we’re unable to accept returns for change of mind. If your order arrives damaged, please contact info@ausire.com within 14 days of delivery with your order number and a photo of the item, and we’ll arrange a replacement. We apologise for any inconvenience this may cause.

See our Shipping & Returns Policy here.

Ana

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Ana

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Real Experiences. Real Results.

  • 5 stars: 26 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
S
Sarah R.
Deeply hydrating formula

My hair gets very dry from regular coloring, but this mask restores all the lost moisture.

R
Roisin R.
Holy grail treatment

If you have dry or heat damaged hair, you need this immediately. Incredible shine.

K
Kate T.
Restored my hair barrier

A little goes a long way. The tub lasts for months, making it great value.

E
Emily K.
A weekly self-care staple

I use it every Sunday night. It keeps my hair manageable and smooth all week long.

S
Siobhan G.
Salon quality results

Feels exactly like an expensive salon conditioning treatment but in the comfort of home.

H
Hannah F.
Smells like absolute heaven

I leave it on for 20 minutes while marinating in the shower. Hair is like silk after.

E
Emma L.
Delighted with it

My hair has never felt so soft since moving to Sydney. Super fast local shipping.

A
Aisling P.
Worth the hype

Saw this all over social media and it definitely lives up to it. Hair looks so healthy.

O
Olivia S.
Total hair transformation

My hair was fried from bleach but this mask literally brought it back to life. So soft!

G
Grace J.
Unreal stuff

Leaves your hair soft as silk. Love supporting a fellow Irish expat business here too!

A
Amelia C.
Silky smooth hair

Transforms my dry, brittle hair into soft silk in just one wash.

S
Sophie W.
Goodbye postpartum frizz

This completely smoothed down my stubborn postpartum flyaways. Incredible hydration.

N
Niamh W.
A lifesaver for Irish hair

The Aussie sun absolutely parched my hair, but this mask brought it back to life completely. Pure luxury.

C
Chloe F.
Obsessed with this texture

Thick, luxurious, and makes detangling in the shower a complete breeze.

C
Ciara C.
Incredibly rich mask

Leaves my hair feeling nourished without weighing down my natural waves.

G
Grace F.
Worth every penny

A little goes a long way. Use it once a week for the best results.

L
Lauren C.
Salon Quality

Honestly feels like a professional treatment. My hair is so much shinier.

S
Sophie H.
Total Transformation

My hair was so dry from bleach, but this mask made it feel soft again.

E
Eden

Such a nourishing formula. My hair feels repaired and strong.

K
Keira

Deeply hydrating without feeling heavy. My ends look so much healthier.

T
Tahlia

Great mask! Smells beautiful and leaves my hair shiny. Would love a bigger tub.

M
Maren

Really good hydrationand the finish is gorgeous.

R
Rose

My hair has never felt so soft. This mask brings it back to life every time.

P
Pippa

I use this after the gym and it fixes all my dryness. Amazing results.

P
Phoebe

Perfect weekly treatment. Smooth, silky, frizz-free hair instantly.

N
Niamh

Salon-quality mask. My hair looks glossy for days after using it.