A leave in treatment 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, it sinks into strands to support long lasting bond strength, boost shine and deliver protection against colour fade, uv, and pollution. For all hair types.. This is your once a week damage rescue. For hair that’s been bleached, heat styled, over. Brushed or simply lived a good life r.4 repairs from the inside out, leaving your. Hair softer, smoother and with a shine so glossy it needs an ego check.. Key ingredients. Rds bond a blend of hydrolysed wool protein and antioxidant rich actives designed to repair disulfide bonds and strengthen hair from the inside out. Shown to reduce breakage by 80%, increase strength by 52%, and improve condition for strong and shiny strands.. Benefits. Repairs visible signs of damage in just one use. Strengthens and softens hair without heaviness. Shields strands from uv damage and colour fade. Boosts shine and elasticity with lasting results. Powered rds bond technology. Activates in just 3 minutes just apply and go for easy, salon level results.. Colour safe ingredients and made without silicones, sulphates, parabens.. How to use. After shampooing with r.2 damage repair shampoo, gently squeeze extra moisture from the hair. Towel dry, then apply 1 3 pumps, depending on hair length and thickness, of r.4 intense repair leave in treatment from root to tip. Leave for 3 minutes, don’t rinse. Brush using a wide tooth comb before styling your way. Repeat weekly.. Made without. Silicones, sulphates and parabens