Working on and beneath the hairs surface, Philip Kingsleys pioneering Bond Builder Split End Remedy physically fortifies heat-weakened lengths and protects against damage from styling. Sealing and strengthening each individual strand, this ingenious formula fuses the compromised bonds toundoany breakage and ward against ravages wrought by your straighteners, bleach, colour, sun and pollutants. Likeshrink-wrapfor tresses, this has an immediate smoothing (and protective!) impact, granting a freshly cut feel that lasts up to three washes. In independent trials, 98.6% of split ends were sealed after one application, making this a boon for those susceptible to brittleness and breakage.