Garnier Fructis Hair Filler Editor Review: Is It Worth It?

When I say “hair filler,” I’m talking about protein-rich ingredients that penetrate the strand and reconstruct broken hair bonds, leading to healthier, smoother, and more defined strands. If this sounds similar to a bond-building treatment, well, that’s because that’s exactly what it is—hair filler and bond-builders are essentially one and the same.