K18
Style Without Limits Set
Molecular Repair Mask, HeatBounce Heat Protectant + Repair Hair Oil
Rebuild, protect, finish. Repair that survives the iron.
Molecular Repair Mask, HeatBounce heat protectant, and Repair Hair Oil — rebuild on wash day, protect under heat every morning, finish with shine, all with K18PEPTIDE™.
- Repair
- Breakage
- Frizz control
- Treat + Prep + Finish
K18PEPTIDE™ · Heat Protection to 450°F · Vegan · Holiday Gift Set
This is probably for you if…
- Hair that is blow-dried or ironed most days and coloured regularly
- Ends that no longer hold a curl and snap on the brush
- Trying the K18 system before committing to full sizes
- Anyone whose repair products seem to stop working — because heat is undoing them
Out of stock
Unopened + unused items may be eligible for exchange or store credit within 14 days. Returns policy
- Free shipping $100+Canada + U.S. · duties included
- Packed by ModaBowmanville, Ontario
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What it does
- K18PEPTIDE™ reconnects broken keratin chains on wash day
- HeatBounce protects to 450°F with 85% less breakage after blow-drying
- Weightless oil finishes with shine and frizz control
- Every step carries the peptide — styling adds to the repair
Perfect for
- Colour-treated
- Chemically processed
- Or heat-damaged hair — all textures
How to use
- Molecular Repair Mask (wash day): Shampoo, skip conditioner, towel-dry. 1 pump roots to ends. Wait 4 minutes. Do not rinse.
- HeatBounce: Spray onto damp or dry hair before any heat tool, comb through, style.
- Repair Hair Oil: 1 drop warmed in palms, smoothed over ends before or after heat.
Routine step
Why we like it
The Moda Team Review
Heat is the damage that keeps compounding, and a repair product alone is running up a down escalator if nothing protects the hair the next morning. This set fixes that: the mask reconnects broken chains on wash day, HeatBounce shields every styling session and adds peptide with each use, and the oil finishes with shine. It is the K18 trial we recommend for the client who irons most days.
Read full stylist notes
The client who irons her balayage every morning and tells us her ends "won't hold a curl anymore" — they just fall straight and snap on the brush. She has been using a repair mask, and it helps for a day. The mask is not the problem; the iron the next morning is. Add HeatBounce and the repair finally accumulates. K18 is a biotech haircare brand built on a single foundational technology: the K18PEPTIDE™, a patented bioactive peptide that reconnects broken polypeptide chains inside the hair. It launched as a professional-channel product because the technology requires a precise application protocol. Moda carries K18 because it solves structural damage that conditioning cannot address. Part of the Holiday 2026 gift collection.
Moda
What’s inside — and why it’s there
The ingredients worth knowing.
- Heat styling breaks polypeptide chains cumulatively; every session adds damage. K18PEPTIDE™ in the mask enters the cortex during four minutes of undisturbed contact and rebinds the broken chain ends, restoring elasticity. HeatBounce's resilicore™ system forms a heat-distributing, moisture-retaining film from cuticle to cortex so the dryer and iron break fewer new chains, and carries a maintenance dose of peptide into each styling session. The oil's low-viscosity base reduces surface friction and internal fibre swelling — the two sources of frizz on damaged hair — while adding light reflection.
How to use
Use it the way we would.
- Molecular Repair Mask (wash day): Shampoo, skip conditioner, towel-dry. 1 pump roots to ends. Wait 4 minutes. Do not rinse.
- HeatBounce: Spray onto damp or dry hair before any heat tool, comb through, style.
- Repair Hair Oil: 1 drop warmed in palms, smoothed over ends before or after heat.
Moda stylist tipWash day order: mask first, HeatBounce second, never reversed — the mask needs four minutes with nothing on the hair before it. After the four minutes, HeatBounce on top, then blow-dry. Non-wash days: HeatBounce on dry hair before the iron, one drop of oil on the finished ends. Two drops is too many for anything shorter than mid-back.
Reviews
Questions? We get them.
Good to know.
The questions we hear most about this product. If yours isn’t here, a real stylist will answer.
Ask ModaCan I use HeatBounce instead of the mask, since it also has the peptide?
No. HeatBounce carries a maintenance dose of K18PEPTIDE™ for protection during styling; the mask delivers the concentrated dose with four minutes of contact that does the structural rebuild. HeatBounce keeps the repair from being undone and adds to it, but the mask is what starts it.
Is 15 ml of mask enough to see a difference?
Yes. The dose is one pump for shoulder-length hair, and 15 ml is roughly 12–15 applications — enough for the initial protocol of four to six consecutive washes and a couple of months of maintenance after. Most clients feel the change in wet-comb behaviour within the first four.
Will the oil make my fine hair greasy?
No, at one drop on the ends. The K18 oil is engineered to be weightless and absorb rather than coat, and 10 ml lasts months at that dose. Greasiness on fine hair almost always means two drops or application above the ends — keep it to one drop, ends only.
Do I still need a separate heat protectant if I use the mask?
Yes. The mask repairs; it does not shield. Heat styling on repaired hair without protection breaks new chains as fast as the mask reconnects old ones, which is why repair products seem to stop working for daily heat users. HeatBounce is what lets the repair accumulate.
Can HeatBounce go on dry hair before a flat iron, or only on damp hair?
Yes, both. On wash days, apply to damp hair after the mask's four minutes and before blow-drying. On non-wash days, mist lightly over dry sections, comb through, wait thirty seconds, then iron. It detangles and softens either way, so it doubles as a leave-in on dry days.
Returns
Unopened + unused products may be eligible for exchange or Moda store credit within 14 days.
Returns policy
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