Professional Journal

Mar 20, 2025 / featured, science

how does AstroLift™ volume spray work?

The exciting science behind the weightless, lasting lift all hair types are loving.

Sep 20, 2024 / hair science, science

How Intentional Formulation = Targeted Results in Fewer Steps

Every K18 ingredient serves a specific purpose to benefit hair—without fillers or fluff—so your routine does more with less.

Apr 19, 2024 / hair science, science

What Are Fusion Proteins?

And how K18 uses them to create never-before-seen benefits optimized for your hair’s biology.

Sep 08, 2023 / hair science, science

Is Hair Dead?

Biologically, yes. Chemically, no.

Aug 04, 2023 / hair science, science

Where Does Hair Strength Come From?

Strength and elasticity comes from keratin protein building blocks. Your hair is made up of the cuticle and cortex. The cortex is responsible for s...

Jul 07, 2023 / hair science, science

Science Class 18: The science behind UV damage

You know how chemical services like bleaching, coloring, or heat styling can damage hair? Exposure to the environment can hurt hair the exact same ...