Formulated for normal-to-thick hair that's damaged, dull, porous, or prone to breakage from chemical treatments (color, bleach, perms) or mechanical stress like heat styling and brushing. It's positioned as the richer end of the Bonacure Repair Rescue range, meant for coarser or more heavily damaged hair rather than fine or thin hair. It's a Schwarzkopf Professional salon-brand product, but the leave-on-then-rinse application is simple enough for regular at-home use without a stylist.

This sits at the heavier-duty end of Schwarzkopf's Repair Rescue range, built with a bigger dose of conditioning agents and hydrolyzed keratin than the standard formula so it can address hair that's genuinely coarse or badly compromised by color, bleach, or heat — hair a lighter mask wouldn't fully smooth. Because keratin works by physically coating and filling the damaged cuticle rather than altering hair chemically, the improvement in smoothness and shine shows up immediately rather than building over weeks, which is the main reason to reach for a mask like this over a standard conditioner.

Apply to the mid-lengths and ends of towel-dried, clean hair and work it through with a wide-tooth comb. Leave on for 5–10 minutes, then rinse thoroughly. Use once or twice a week rather than daily, since it's a concentrated treatment rather than a rinse-out conditioner.

The keratin-based conditioning gives a real, immediately visible smoothing effect on coarse or chemically damaged hair, and because the treatment is concentrated for that hair type, one application does more work than a lighter, all-purpose mask would. That same richness can build up on fine or thin hair over repeated use and eventually feel coated rather than soft, so it's not the right pick outside its target hair type, and heavy use may eventually call for a clarifying shampoo to fully remove buildup.