Best suited to people with damaged, over-processed, or chemically treated hair (color, lightening, chemical straightening) who have visible split or frayed ends and want a leave-in, targeted treatment to use between trims. It's a spot-treatment for the ends specifically, not an all-over leave-in conditioner, and it isn't a substitute for cutting off hair that's already split.

What separates this from a general leave-in conditioner is that it's built specifically to address split ends: instead of one conditioning agent, it layers multiple forms of hydrolyzed keratin with arginine to bond to the more porous, frayed structure of a damaged hair tip. Used as a spot-treatment on ends between haircuts, it's meant to make existing split ends less noticeable and hold them together, rather than trying to condition the whole head the way a standard leave-in would.

• Apply a small amount to towel-dried or damp hair
• Concentrate on the ends, where splitting occurs
• Comb through
• Do not rinse
• Style as usual; can be used daily as a targeted ends treatment

Pros:

• Targets a specific, common problem (split, fraying ends) with a protein-bonding mechanism rather than general all-over conditioning
• Leave-in format means it can be used daily on ends without adding a rinse step
• Contains real plant oils (kukui nut, evening primrose) and vitamin E alongside the keratin/protein complex

Cons:

• Cannot permanently repair a split hair shaft — like any split-end product, its effect on already-split hair is temporary and cosmetic; only a trim removes a split end for good
• Meant for targeted use on ends, so it isn't a general leave-in for mid-lengths or roots
• As with most leave-in treatments, overuse on ends can lead to product buildup over time