Repair and protect heat-styled hair with the K18 Repair & Heat Protection Routine. This 3-step system combines molecular repair with advanced heat protection to help strengthen, smooth and defend damaged hair from regular blow-drying and hot tools.
Give damaged, heat-styled hair targeted repair and protection with the K18 Repair & Heat Protection Routine.
Start with the K18 Leave-In Molecular Repair Hair Mask, a concentrated 4-minute treatment powered by patented K18PEPTIDE™ to repair damage caused by bleach, colour, chemical services and heat. It works at the molecular level to restore strength, elasticity, softness and smoothness.
Follow with K18 HeatBounce™ Conditioning Heat Protectant to help protect hair from the damaging effects of heat styling. Powered by resilicore™ technology, HeatBounce helps defend hair from heat through the cuticle and into the cortex, while conditioning and helping reduce the effects of repeated heat exposure.
Finish with the K18 Molecular Repair Hair Oil to smooth frizz and flyaways, enhance shine and provide additional heat protection up to 232°C. Its K18PEPTIDE™ technology works on deeper damage while lightweight oils smooth the hair's surface.
Ideal for damaged hair that is regularly blow-dried, straightened, curled or otherwise exposed to heat styling.
What's Inside
K18 Leave-In Molecular Repair Hair Mask 50ml
A 4-minute leave-in molecular repair treatment that helps reverse damage from bleach, colour, chemical services and heat while restoring strength, softness, smoothness and bounce.
A conditioning heat protectant designed to defend hair against heat styling while helping reduce breakage and maintain healthier-looking, smoother hair.
K18 Molecular Repair Hair Oil 30ml
A lightweight molecular repair oil that helps repair and strengthen damaged hair, control frizz, enhance shine and provide heat protection up to 232°C.
Product Highlights
3-step repair + heat protection routine
Designed for damaged hair exposed to regular heat styling
Helps repair existing molecular damage with K18PEPTIDE™
4-minute leave-in repair treatment
Helps strengthen and improve hair elasticity
HeatBounce™ helps protect from heat damage through the cuticle and into the cortex
Helps reduce breakage caused by high-heat styling
Molecular Repair Hair Oil provides heat protection up to 232°C
Helps smooth frizz and flyaways
Enhances shine and softness
Suitable for all hair types
Colour-safe
Vegan and cruelty-free
K18 specifically distinguishes HeatBounce from the Molecular Repair Hair Oil: HeatBounce is designed for deeper heat defence, while the oil provides surface-level heat protection alongside molecular repair and smoothing benefits.
Usage & Ingredients
How to Use K18 Repair & Heat Protection Routine
Step 1 — Repair
After shampooing, do not condition. Towel-dry hair thoroughly.
Apply 1–3 pumps of K18 Leave-In Molecular Repair Hair Mask, depending on hair length and density. Start at the ends and work towards the roots.
Wait 4 minutes. Do not rinse. Comb through and proceed with your styling routine. K18 recommends using the Mask for the first 4–6 washes after a salon service, then as needed.
Step 2 — Protect
Apply K18 HeatBounce™ Conditioning Heat Protectant evenly through sectioned, towel-dried hair before blow-drying.
For hot tools, apply HeatBounce again to dry hair before using your straightener or curling iron. You can blow-dry or use hot tools immediately after applying HeatBounce.
Step 3 — Smooth & Finish
Apply 1–3 drops of K18 Molecular Repair Hair Oil through mid-lengths and ends.
Use on damp hair before styling or on dry hair as a finishing treatment to smooth frizz and flyaways and enhance shine.
Tip: Start with a small amount of both HeatBounce and Oil and build as needed to avoid over-applying product.
