Unless you wear your hair in a pixie, you’re vulnerable to split ends. And left unchecked, splits can travel up your strands, weakening them. So Phyto’s new serum ($28; Click to Buy) was designed to act as a split end “bandage,” sealing the ends with a silk peptide and preventing upward travel. Most testers thought it delivered. “This serum did make an immediate differ-ence—one that lasted about 24 hours, then you have to reapply,” said one. Another found an extra benefit: “I don’t have split ends, but my curly hair does have rough ends. This product made them look softer and more polished.”
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