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K18

K18

Free K18 AstroLift Volume Spray 15ml (valued $39.95) when you spend over $99 on K18.

Excludes gift sets. Online only. Ends 31 March 2026 or until gift stocks last. One per transaction.

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Introducing K18

Infused with advanced biotech breakthroughs, K18 harnesses the power of its patented K18 Peptide to restore and strengthen hair’s keratin bonds, delivering a fresh approach to hair health with its iconic K18 hair mask, K18 dry shampoo and clarifying detox shampoo. Vegan and cruelty-free, K18’s cutting-edge peptides work at a molecular level to rebuild and reinforce keratin chains, helping hair bounce back from damage while celebrating every individual’s personal style. K18 redefines salon-worthy results at home with a routine that’s quick, reliable and fuss-free.
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Has your hair been coloured, bleached, heat-styled or simply pushed to its limits? Well, K18 is about to be your miraculous reset button.

Backed by a decade of biotech research, K18 hair products deliver the impossible: visible repair in just 4 minutes. Built around one patented peptide designed to repair damage at a molecular level, K18 Australia has earned its cult status for good reason. 

From the iconic K18 hair mask to styling essentials, this is haircare that beautifies from the inside out.

The Inside Scoop on the K18 Hair Treatment

Most products patch up damage on the surface. K18 treatment goes deeper. 

After scanning 1,242 peptides across the entire keratin genome, scientists discovered one unique sequence that could reconnect broken keratin chains: the K18PEPTIDE™.

This patented molecule travels into the hair's cortex to repair damage at a molecular level, restoring strength, softness, and bounce from within. It's not a temporary fix that washes away, but goodness that builds with every use.

Whether you're dealing with breakage, dryness, or dullness, K18 hair products get to the root cause.

The K18 Hair Mask: Your 4-Minute Reset

The leave-in molecular repair hair mask is the hero product that started it all. Apply it to clean, towel-dried hair, wait 4 minutes, and watch your strands transform. No rinsing required.

This K18 mask works as a treatment for the first 4 to 6 washes, depending on your damage level, then moves to a weekly or as-needed ritual. 

K18’s Haircare Essentials

Great hair starts with a clean slate. 

  • PEPTIDE PREP™ Detox Shampoo: Your heavy-duty clarifier, designed for less frequent use to remove buildup, oils, and product residue without stripping your scalp.
  • DAMAGE SHIELD pH Protective Shampoo: Reach for this K18 hair product to maintain your hair's natural pH while gently cleansing. Plus, the K18PEPTIDE™ helps minimise protein loss with every wash.
  • DAMAGE SHIELD Protective Conditioner: Lock in moisture and keep your hair smooth, strong, and ready for whatever comes next.

Want to add scalp-focused care? Christophe Robin and Philip Kingsley offer exfoliating treatments that complement K18's strengthening approach beautifully.

Styling & Finishing with K18 Hair Products

What makes K18 an Australian fave is that even styling products are built with treatment benefits in mind.

The molecular repair hair oil delivers weightless shine, heat protection up to 232°C, and ongoing repair with every application. Use it on damp hair before styling or as a finishing touch for instant gloss.

Need volume? The AstroLift™ reparative volume spray adds lift without crunch, while the HeatBounce conditioning heat protectant defends against damage from root to tip – going as deep as heat damage actually penetrates.

For in-between wash days, the AirWash™ dry shampoo refreshes your scalp and absorbs oil without the chalky residue.

These K18 products work like a dream with your favourite styling lineup from ELEVEN Australia to Moroccanoil.

Craft Your K18 Routine

Here's how to layer K18 hair treatments into your routine for heavenly results:

Treatment Phase (first 4 to 6 washes)

Use the K18 hair mask after every wash to restore strength within your locks.

Ongoing Maintenance

Cleanse with PEPTIDE PREP™ or DAMAGE SHIELD shampoo, follow with conditioner, then apply the K18 treatment weekly or when your hair needs a little TLC.

Between Washes

Use AirWash™ dry shampoo and the molecular repair hair oil for shine and protection.

Every K18 product is vegan, cruelty-free, and formulated without sulphates, silicones, or parabens for feel-good haircare.

Explore Our K18 Hair Treatment Australia Lineup

From the 4-minute repair mask that’s a beauty best to daily essentials and protective stylers, the full K18 edit is here and ready to transform your haircare routine.

Shop online for fast delivery across Australia, or visit our salon to experience your K18 hair pick in person. Plus, every purchase earns loyalty points worth 10% of your spend.

Give K18 hair treatments in Australia a go with BeautyWorks today.

Frequently Asked Questions

How often should I use the K18 hair mask?

For the first 4 to 6 washes, use it every time you wash your hair to give damaged hair a much-needed treat. After that, transition to weekly use or whenever your hair needs a reset. If you regularly colour, bleach, or heat-style, you may want to use it more frequently for ongoing strength and repair.

Can I use K18 products on all hair types?

Yes, K18 hair products work on all hair types, textures, and levels of damage. Whether your hair is fine, thick, curly, straight, natural, or colour-treated, the K18PEPTIDE™ is designed to repair broken keratin chains regardless of your hair's structure.

Do I need both K18 shampoos or just one?

It depends on your routine. The PEPTIDE PREP™ detox shampoo is for deep, less frequent cleansing to remove heavy buildup, while the DAMAGE SHIELD pH protective shampoo is for regular, everyday washing. Many swear by using both for healthier hair and scalp.

What's the difference between the K18 hair oil and other hair oils?

The K18 molecular repair hair oil actively repairs damage with every use thanks to the K18PEPTIDE™, giving your locks a luxe shine. While it offers heat protection up to 232°C and smooths frizz like traditional oils, it also strengthens hair from within, making it a treatment and styling product in one.
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