K18 Hair Care Blog

Jul 31, 2025 /featured, products

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Meet HeatBounce: Deeper Heat Protection Than Ever Before* Powered by new patented heat-shielding tech.

We C You 13: Curl defining methods

Feb 21, 2023 / hair science

We C You 13: Curl defining methods

PRO tips for defining curls + coils with expert, Alifia

FUNdamentals 29: Why is biotech better tech?

Feb 17, 2023 / hair science

FUNdamentals 29: Why is biotech better tech?

You know what's FUN-damental? When your product works. We'll be breaking down key info + recommendations to help you get the most out of K18.

Myth Busting 09: Split ends

Feb 03, 2023 / hair science

Myth Busting 09: Split ends

Let’s talk about split ends: a haircare dilemma that many of us know—and let’s be honest, we don’t love it.

FUNdamentals 28: How is it different from bond building again?

Feb 02, 2023 / products

FUNdamentals 28: How is it different from bond building again?

You know what's FUN-damental? When your product works. We'll be breaking down key info + recommendations to help you get the most out of K18.

We C You 12: Hair is the same on the molecular level

Jan 24, 2023 / hair science

We C You 12: Hair is the same on the molecular level

Why molecular repair works on 3C–4C hair with PRO expert, Alifia

FUNdamentals 27: What does molecular repair mean?

Jan 20, 2023 / hair science

FUNdamentals 27: What does molecular repair mean?

You know what's FUN-damental? When your product works. We'll be breaking down key info + recommendations to help you get the most out of K18.