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K18PEPTIDE™ Molecular Repair Service
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Rated 4.8 out of 5
PRO mist + mask to reverse hair damage
View The K18Peptide™ Molecular Repair Service (WHOLESALE) product
PEPTIDE PREP™ detox shampoo
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Rated 5.0 out of 5
Back bar size of our color-safe clarifying shampoo formulated with K18PEPTIDE™
View PEPTIDE PREP™ detox shampoo 32oz (WHOLESALE) product
PEPTIDE PREP™ pH maintenance shampoo
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Rated 4.7 out of 5
Back bar size of our pH-optimized cleansing shampoo formulated with K18PEPTIDE™
View PEPTIDE PREP™ pH maintenance shampoo 32oz (WHOLESALE) product
pro peptide starter kit
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Rated 5.0 out of 5
limited-edition set to reverse hair damage + FREE stylist swag
View Pro Peptide Starter Kit (WHOLESALE) product
build your business with biotech
See how PRO Stylist Linh Phan sets his salon + clients up for success with K18.
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*Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality, and history.
see it in action
The more damaged the hair, the more dramatic the results. The PRO Service restores hair up to 91% original strength + 94% original elasticity*
*Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality, and history.
science class is in session

SCIENCE CLASS 01: where does hair strength come from?
Let’s have a conversation about strength. Not the muscle kind. We want to set the record straight on what’s responsible for hair strength and elast... Learn More
science class 09: the clean hair convo
We talk a lot about hair health. Like, a lot. And since science (another thing we’re big fans of) isn’t accurate without the full picture, we want ... Learn More
Buzzword Breakdown 01: Microbiome
You know how we roll, we like to challenge, myth bust, and break down every type of buzzword in the hair world—because we found through our researc... Learn More
HAIR MYTH BUSTING 01: more product does not equal better hair
Trying tons of products to fix your damaged hair? Adding more and more products to your routine hoping to return hair to some sort of healthy state... Learn More
SCIENCE CLASS 02: the dynamic world of hair
We’ll open this class with a question. What do you really know about hair? Did you know it’s not a static, physical thing? It’s a dynamic, constan... Learn More
MYTH BUSTING 03: the TRUTH behind hair damage
The D word. That damn damage! It’s the worst. We know, we built a whole company around renewing hair that’s been destroyed by it. It’s not exactly ... Learn Moreour pro philosophy
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