K18 Hair | Sephora Hong Kong

K18 is the biotech breakthrough rewriting the rules on haircare. The K18PEPTIDE™ reverses hair damage in 4 mins from bleach+color, chemical services & heat. Born in the salon, stylists, and hair expressers are fueling their creativity without having to worry about damage. Use the leave-in molecular repair hair mask to renew hair’s core strength and elasticity for healthier hair on all hair types.

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Reverse damage in 4 minutes

K18PEPTIDE™ reverses hair damage in 4 mins from bleach+color, chemical services & heat.

The reinvention of dry shampoo

Clinically eliminates odors, reduces oil + keeps working for up to 3 days*

Repair + Volume

Touchable volume + bounce for up to 2 days*

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The science behind K18 haircare

Forget temporary fixes. K18 is the future of hair repair. It’s harnessing K18 Biomimetic Hairscience to actually rewind the clock on your strands. At the heart of this revolution is the iconic K18PEPTIDE™, a potent molecule clinically proven to reverse damage from bleach, color, and heat. These K18 hair treatments are the stylist’s secret weapon, giving you the freedom to create without the fear of damage.

K18 Leave-In Molecular Repair Hair Mask

The four-minute miracle worker. This isn't just a mask. It is a structural reset. Patented peptide technology dives deep to reverse damage, restoring strength, softness, and bounce. It is the ultimate hair mask for limp hair.

K18 Molecular Repair Hair Oil

A weightless oil that doesn't just hide frizz. It fixes it. This biotech finisher repairs molecular damage, smooths flyaways, boosts color vibrancy, and protects hair from heat up to 232°C. Shine has entered the chat.

K18 Peptide Prep Detox Shampoo

Your ultimate reset button. This clarifying, color-safe detox shampoo uses nurturing ingredients to strip away up to 99% of product buildup and 95% of oil in one wash, ensuring your treatment can work its most potent magic.

K18 Damage Shield Protective Conditioner

Your daily defense against styling, UV rays, and stressors. This nourishing conditioner detangles, locks in color, and continues to strengthen hair with every wash thanks to K18PEPTIDE™.

Astrolift™ Reparative Volume Spray

Fine hair, meet flexible volume. This lightweight, buildable spray targets the root cause of volume loss for bouncy hair that lasts up to two days. Powered by K18PEPTIDE™, it reverses damage and resists humidity.

K18 Airwash™ Dry Shampoo

The dry shampoo game has changed. This non-aerosol formula uses smart biotech to clinically eliminate odor and absorb oil without any trace of white cast or starchy grit. It’s a clean feeling that lasts for up to three days.

HeatBounce Conditioning Heat Protectant

Never compromise your color or hair health again. This lightweight shield protects your strands up to a massive 450°F (232°C). It fortifies from the inside out, making your hair softer, smoother, and incredibly manageable before you even turn on your tool.

Ready for hair liberation? Find your favorite K18 innovation at Sephora!