Redken

Redken is the salon brand that shows up when your hair has been through it — bleach, color, heat, the works. The Acidic Bonding Concentrate line is the anchor here, specifically the leave-in treatment and conditioner, which creators describe as making hair sleek, soft, and shiny while filling in damage gaps. The trade-off is that these are treatment-focused formulas, so if your hair is healthy or you prefer lightweight, non-silicone textures, they may feel heavy.