Intense bond repair for damaged hair

A bond repair leave-in that works overtime to reverse the appearance of damaged hair. R·4 is a high-performance, bond-repair treatment powered by our RDS Bond complex to visibly restore hair health after just one use. Lightweight, fast-absorbing and non-greasy, this leave-in sinks into strands to support long-lasting bond strength, boost shine and deliver protection against colour fade, UV, and pollution. For all hair types.