The Ouai Fine Hair Conditioner is a fine-haired girl’s dream. The formula plumps up your tresses for voluminous locks that ...

The best leave-in conditioners work wonders at detangling or smoothing flyaways, with some formulas even doubling as heat protectors and hair growth boosters. As certified trichologist Izabella ...

The treatment can be used as a conditioner, but also as a hair mask that you leave on for ... thin hair,” one review said. “I had both dye damage and naturally fine strands, and this product made a ...