K18
HeatBounce Heat Protectant
Every blow-dry repairs while it styles.
Leave-in heat protectant with K18PEPTIDE™ — repairs previous damage while protecting against the current styling session.
- Repair
- Frizz control
- Softness
- Prep
Colour-Safe · Vegan · Salon-Loved
In stock + ready to ship
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
- Provides heat protection up to 450°F / 232°C
- Helps hair feel soft and conditioned before styling
- Supports smoother-looking results with less frizz
- Pairs easily with K18 repair and finishing products
Perfect for
- All heat-styling hair types; especially damaged or chemically treated hair
How to use
- Apply to damp hair. Distribute root to end. Do not rinse. Blow-dry or heat style immediately.
Routine step
Why we like it
The Moda Team Review
Most heat protectants are purely defensive. HeatBounce does both — every blow-dry with it applied contributes to repair. Regular heat stylers on K18 are incrementally improving their hair, not just managing the deficit.
Moda
What’s inside — and why it’s there
The ingredients worth knowing.
- K18 styling technology helps protect from heat while conditioning ingredients support softness, smoothness, and a better blowout feel.
View full ingredient list
K18 styling technology helps protect from heat while conditioning ingredients support softness, smoothness, and a better blowout feel.
How to use
Use it the way we would.
- Apply to damp hair. Distribute root to end. Do not rinse. Blow-dry or heat style immediately.
Moda stylist tipStart with a light layer and build only where needed. K18 styling formulas are best when they look polished, not piled on.
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 K18 Leave-In Mask?
They do different jobs. The mask is the intensive wash-day treatment. HeatBounce is applied before heat styling for baseline daily repair alongside protection. Use both: mask on wash day, HeatBounce before any heat tool.
Which size should I buy?
15 ml trial, 118 ml everyday, 237 ml for frequent heat stylers wanting best value.
Does HeatBounce protect up to 450°F?
Yes, K18 positions HeatBounce for heat protection up to 450°F when used as directed.
Will it weigh down fine hair?
Not if you apply it lightly and keep it focused through the mid-lengths and ends. Fine hair still needs heat protection — it just needs smart application.
Does HeatBounce help detangle?
Yes. It is a leave-in conditioning heat protectant, so it helps soften and detangle before styling.
Returns
Unopened + unused products may be eligible for exchange or Moda store credit within 14 days.
Returns policy
Need help choosing?
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Tell us what your hair is doing and we’ll help you figure out whether this belongs in your routine.