K18 BIOMIMETIC HAIRSCIENCE HEATBOUNCE™ LEAVE-IN CONDITIONER HEAT PROTECTANT
Couldn't load pickup availability
Don’t miss out on this limited-time advantage crafted for you
What it is: A leave-in conditioner with resilicore technology that detangles, softens, and intensely protects hair up to 450 degrees Fahrenheit.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Dryness
- Heat Protection
- Shine
Key Benefits:
- Protects from heat up to 450 degrees Fahrenheit
- 85 percent less breakage after blow-drying
- Lightweight formula conditions, softens, and detangles even damaged hair
Highlighted Ingredients:
- Resilicore Heat-Shielding Technology: Patented tech for heat protection from cuticle to cortex—more intense than ever.
What Else You Need to Know: Resilicore heat-shielding technology is a breakthrough innovation inspired by resilin—a natural protein that can withstand extreme temperatures. Unlike traditional heat protectants that only coat the cuticle, the size and molecular makeup of Resilicore allows it to penetrate deeper than ever before, into the cortex where heat damage can occur, forming a protective shield that fortifies from within. Created for all hair types and textures. Can be used on extensions.
Clinical Results: In scientific testing with application of K18 HeatBounce and use of 450℉ (232℃) flat iron on dry hair:
- Reduction in hair breakage
- Heat protection up to 450℉/232℃ from the cuticle to cortex
In scientific testing after application HeatBounce on damp hair and exposure to 450℉ (232℃) flat iron on dry hair
- Increase in protein stability
- Heat protection up to 450℉/232℃ from the cuticle to cortex
In scientific testing after application of high-heat blow-dry:
- Reduction in hair breakage
- 85% less breakage
Clean at Sephora
Clean at Sephora is our commitment to offering formulas that go beyond regulatory standards to avoid controversial ingredients without sacrificing effectiveness.
Discover more in our FAQ
What brands do you carry?
What brands do you carry?
We offer a wide range of beauty products from both international and local brands. Whether you’re looking for high-end luxury brands or affordable everyday essentials, we have something for everyone. Check out our product pages to see the full list of brands we carry.
What is your return policy
What is your return policy
Returns are accepted within 7 days only if the issue was caused by our mistake.
The product must be unused, in its original packaging, and in the same condition as received.
We accept returns in cases such as:
- You received the wrong product.
- The product is different from what was described or promised.
- The item arrived damaged due to our handling or packaging.
- There is a clear mistake from our side in the order.
We do not accept returns if the product was used, opened, damaged by the customer, or returned due to personal preference after delivery.
Do you ship internationally?
Do you ship internationally?
Currently, we ship only within Lebanon. We are working on expanding our shipping options, so stay tuned for updates!
How long does delivery take?
How long does delivery take?
Delivery typically takes 2-5 business days within Lebanon, depending on your location. We aim to process and ship orders as quickly as possible, so you can enjoy your beauty products without delay.
Are your products authentic?
Are your products authentic?
Absolutely. We source all our products directly from authorized distributors and brands, ensuring that every item you purchase is 100% genuine and of the highest quality.

