Cotsbi Repair

COTSBI's repair line is built for hair that has taken a beating from colour, heat, or chemical treatments. The collection centres on the Repair Treatment Pack, a 250g salon-style mask you work through the lengths to soften and rebuild the feel of damaged strands, alongside a multi-piece High-end Extreme Damage Repair set that brings the salon clinic routine home in three steps. If your hair feels dry, snaps easily, or has lost its smoothness after bleaching, this is where to start. Browse both options below and pick the one that fits how deep your damage runs.

  • Damage repair focus
  • Salon-style treatment
  • 250g treatment pack

Buying guide

Repairing damaged hair with COTSBI

COTSBI's repair products are aimed at hair that needs more than a regular conditioner. This guide covers the two repair options we stock and how to get the most out of them, whether you reach for the single treatment pack or the fuller salon-style set.

The Repair Treatment Pack

The COTSBI Repair Treatment Pack is a 250g intensive mask designed to be worked through the lengths and ends of damaged hair. It's the simplest way into the line: shampoo first, squeeze out excess water, then smooth the pack through and leave it to sit before rinsing. The generous tub size means you can use it as a weekly deep treatment over a long stretch.

The High-end Extreme Damage Repair set

For hair that needs a more structured routine, the Cotsby High-end Extreme Damage Repair set brings a three-piece salon clinic approach home. It steps you through more than a single mask, which suits very dry or heavily processed hair that doesn't respond to one product alone. If you've had repeated bleaching or chemical services, this set gives you the layered routine a salon would use.

Who repair treatments are for

These products are made for hair showing real signs of stress: roughness along the lengths, breakage, tangling, or that brittle feel after colour. If your hair is generally healthy, a standard conditioner is probably enough. The repair line earns its place when regular care isn't keeping up with the damage from heat tools or chemical processing.

How to use a repair mask

Apply repair treatments to clean, towel-dried hair so the formula isn't competing with surface water. Concentrate on the mid-lengths and ends, where damage usually sits, and keep heavy product away from the roots. Give it a few minutes to work, then rinse thoroughly. A wide-tooth comb during the soak helps spread the treatment evenly.

How often to treat

Most people get good results using a repair treatment once or twice a week rather than every wash. Very damaged hair can handle more frequent use at first, easing off as condition improves. Pay attention to how your hair feels: when it's smoother and less prone to snapping, you can space treatments further apart.

Building a repair routine

Pair the treatment pack or set with gentle washing and a lighter touch on heat styling while your hair recovers. Repair products do the heavy lifting in the conditioning step, but limiting further damage between treatments is what lets the results hold. Air-drying when you can and turning down the heat on tools both help the line work harder.

FAQ

Frequently asked questions

  • It's a 250g intensive hair mask aimed at damaged, dry, or processed hair. You work it through the lengths and ends after shampooing, leave it to sit, then rinse. The large tub means it lasts as a regular weekly deep treatment over a long period.

  • The single Repair Treatment Pack is the simplest option and fits most damaged hair. The High-end Extreme Damage Repair set is a three-piece, salon-style routine for hair that's very dry or heavily processed and needs more than one product. If you've had repeated bleaching or chemical services, the fuller set is worth considering.

  • Once or twice a week works well for most people. Very damaged hair can start with more frequent use and ease off as condition improves. Let how your hair feels guide you: as it gets smoother and stronger, you can space treatments further apart.

  • Yes, the line is built for exactly that kind of stress. Bleaching and colour leave hair rough and prone to breakage, which is where these intensive treatments come in. For heavily bleached hair, the Extreme Damage Repair set gives a more layered routine than a single mask.

  • Use it on clean, towel-dried hair so the formula isn't diluted by surface water. Focus on the mid-lengths and ends rather than the roots, leave it for a few minutes, then rinse well. Combing through during the soak helps spread it evenly across the hair.