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.

PRO Tips to Smooth + Soften Curly + Coily Hair

Jan 22, 2024 / products

PRO Tips to Smooth + Soften Curly + Coily Hair

Our guide to adding conditioning protection to your routine.

How Molecular Repair Works For Grey Hair

Jan 22, 2024 / products

How Molecular Repair Works For Grey Hair

Keep hair soft and strong through every life stage.

When Should I Choose Damage Repair vs Protection?

Jan 09, 2024 / products

When Should I Choose Damage Repair vs Protection?

How to create the best at-home routine for healthy hair

Why Does Hair Go Gray?

Jan 05, 2024 / hair science

Why Does Hair Go Gray?

Hair texture changes as our hair ages, and so does its color—let’s dive into the hair follicle science behind graying hair.

Trichologist Angela Onuoha explains what causes daily hair damage

Jan 02, 2024 / people

Trichologist Angela Onuoha explains what causes daily hair damage

Trichologist Angela Onuoha breaks down what causes daily hair damage, and how these culprits cause hair breakage, frizz, and dull color. The soluti...

When Should I Use K18 Conditioner vs. Mask?

Dec 22, 2023 / products

When Should I Use K18 Conditioner vs. Mask?

Damage repair or daily protection? Here’s the guide to finding the perfect K18 healthy hair routine.