We’ve been breaking rules and records since day one—inventing real, lasting hair repair when it didn’t exist. Now, it’s your turn to hair flip for a cause.

One day. One record. One mission.

Help us set a GUINNESS WORLD RECORDS® title for the most hair flips in 24 hours on February 19, 2026. 

how to join

Prep it: Repair your hair with the K18 leave-in molecular repair hair mask for hair like new* that’s strong, shiny, and ready to flip. 

Flip it: Capture your best hair flip with our custom “Flip It” sound on TikTok or Instagram. 

Post it: Post your video on February 19, 2026 between 12:00 a.m. and 11:59 p.m. EST to TikTok or Instagram.

Tag it: Use @k18hair and #hairflipk18 in the caption so your video counts toward the record.

This isn’t just about breaking records. We’re turning your video into a confidence-boost for cancer patients. 

hair flip for a cause

For every #hairflipk18 video, we’ll donate $20 to HairToStay—up to $200,000.

HairToStay is the first and only nonprofit dedicated to increasing access to scalp cooling, a revolutionary treatment that can dramatically reduce chemotherapy-induced hair loss. Maintaining one’s hair throughout cancer treatment helps patients maintain their identity, privacy and overall sense of well-being during an otherwise traumatic experience. 

By supporting HairToStay, you’re helping ensure more cancer patients can pursue scalp cooling regardless of income. Your hair flip video helps fund real assistance for real people—so more patients can focus on healing and seeing themselves in the mirror during cancer treatment. 

Mark your calendar for February 19, 2026, prep your K18 mask, and get ready to flip your hair for history—and for a cause.