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.

Mar 31, 2023 / hair science

Science Class 15: The real science behind frizz 02

Allow us to paint a mental picture: your hair is freshly styled, and you’re feeling confident. Then, you walk outside and BAM! the humidity smacks ...

Mar 27, 2023 / people

Curly Convos 01: Rosi Mercedes

Celebrating curls and coils looks different for everyone, so we’re tapping all kinds of curl experts to understand how they liberate curly + coily ...

Mar 23, 2023 / hair science

The Science Behind K18 Molecular Repair

See how our K18PEPTIDE™-powered mask reverses damage in 4 minutes for lasting + progressive hair health.

Mar 17, 2023 / products

FUNdamentals 31: Why does clean hair matter?

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.

Mar 03, 2023 / hair science

Science Class 14: Different types of damage

Today we’re talking about hair damage. Even seemingly innocent things like washing or brushing hair can lead to damage. Just by having hair, damage...