k18 Leave-In Molecular Repair Hair Mask
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This patented bioactive peptide treatment strengthens and improves elasticity while reversing damage from chemical services, thermal styling, and mechanical styling. For all hair types.
Pro Tip: Begin with 1 pump of K18 Mask and add more as needed depending on the length, thickness, and condition. Work evenly into hair, one pump at a time, from ends to roots. Let mask sit for 4 minutes to activate. DO NOT add any leave-in or styling products during the 4 minute activation. Do not rinse out. Style as usual after 4 minute activation is over. K18 is designed to be used consecutively for 6 washes and then every 3-4 washes to maintain your healthiest hair possible.