UNDERSTANDING DAMAGED HAIR
Each strand has an outer layer of overlapping scales (the cuticle) protecting an inner core (the cortex), where keratin protein and moisture give hair its strength and stretch. When hair is healthy, the cuticle lies flat and smooth, so hair feels soft and reflects light. Damage happens when that cuticle is lifted, cracked or worn away, and when the protein bonds inside the cortex start to break down.
Once the cuticle is compromised, moisture escapes easily and the inner structure is left exposed. That is what makes damaged hair feel rough and dry, look dull, tangle easily and snap through the mid-lengths or ends. Split ends, frizz, colour that fades fast and a straw-like texture are all signs of the same underlying problem - a structure that needs support.
Here is the honest part: hair is not living tissue, so you cannot truly heal it back to new. What you can do is rebuild and reinforce it - smooth the cuticle down, refill the weak spots in the protein structure, lock moisture back in and protect it from further stress. Done consistently, that is what makes damaged hair look and feel healthy again. To match a routine to your hair, start with Our Routines.
HOW TO REPAIR DAMAGED HAIR
Repair comes down to four moves, in order: cleanse gently so you stop adding stress, rebuild strength where the structure is weak, restore moisture so hair stays flexible, and protect it from the heat and friction that caused the damage in the first place. Skip the protection step and you undo the repair every wash, which is why so many routines feel like they are not working.
Treatments do most of the heavy lifting. A weekly rinse-out treatment or mask works deep into the cortex, while a daily leave-in seals the cuticle and guards against everyday wear. Reach for 3 MINUTE REPAIR RINSE OUT TREATMENT for a quick weekly reset and MIRACLE HAIR TREATMENT as the everyday leave-in that keeps hair protected between washes. The rest of this guide breaks down exactly when to use each one.
WHAT CAUSES HAIR DAMAGE?
Most damage is cumulative - it builds up from everyday habits rather than one big event. The usual causes:
- Heat styling: blow-drying, straightening and curling weaken the cuticle over time, especially without a heat protectant. Prep with EA HEAT STYLING PROTECTION SPRAY or SMOOTH ME NOW THERMAL SPRAY before any hot tool.
- Chemical services: colour, bleach, perms and relaxers open the cuticle and break protein bonds to do their job, which leaves hair more porous and fragile afterwards.
- Mechanical stress: rough brushing, tight ponytails, hair ties with metal joins and vigorous towel-drying all cause breakage. Detangle gently with DETANGLE MY HAIR LEAVE-IN SPRAY.
- Environment: UV, chlorine, salt water and dry air pull moisture out and roughen the cuticle, so hair damages faster in summer and after swimming.
PROTEIN VS MOISTURE - WHAT DAMAGED HAIR ACTUALLY NEEDS
This is the part most people miss. Healthy hair needs a balance of two things: protein, which rebuilds the internal structure and gives strength, and moisture, which keeps hair soft, flexible and able to stretch without snapping. Damage throws that balance off, and the right fix depends on which side your hair is short on.
Hair that needs protein tends to feel mushy, overly soft or limp when wet, stretches a long way before it breaks, and struggles to hold a style. This is common after heavy heat use or chemical processing that has stripped the internal structure. Repair-focused products help here - REPAIR MY HAIR NOURISHING SHAMPOO and 3 MINUTE REPAIR RINSE OUT TREATMENT support strength and manageability.
Hair that needs moisture feels dry, rough, brittle and crunchy, tangles easily and snaps quickly with little stretch. Hydrating products bring it back to life - reach for HYDRATE MY HAIR MOISTURE SHAMPOO and a weekly MIRACLE HAIR MASK.
The trap is overdoing either side. Too much protein leaves hair stiff and brittle; too much moisture leaves it flat, weak and over-elastic. The goal is to alternate based on how your hair feels week to week - lead with whichever it is craving, then rebalance. If you are not sure where to start, MIRACLE HAIR TREATMENT is a balanced everyday option that supports both without tipping the scale.
HOW TO CHOOSE A TREATMENT FOR DAMAGED HAIR
Match the treatment to your damage and how you will actually use it:
- Match the format to the job. A rinse-out treatment or mask works deep for weekly repair; a leave-in protects and smooths daily. Not sure which? See our guide on leave-in vs rinse-out treatments.
- Start where the damage is worst. For breakage and fragility, lead with repair. For dullness and dryness, lead with moisture, then layer the other in.
- Be consistent, not heavy-handed. A weekly deep treatment plus a daily leave-in beats occasional overloading. 3 MINUTE REPAIR once or twice a week is an easy reset that does not weigh hair down.
- Protect what you repair. Always use heat protection before styling. Keep EA HEAT STYLING PROTECTION SPRAY by the straightener.
TOP TREATMENT PICKS FOR DAMAGED HAIR
Below are our top picks and routine pairings for damaged hair, whether you need deep repair, everyday protection or a moisture boost.
MIRACLE HAIR TREATMENT
The hero, and the easiest place to start. MIRACLE HAIR TREATMENT is a leave-in that delivers multiple benefits in one step - it helps detangle, smooth, protect against heat and add shine while supporting softness and manageability. Work it through mid-lengths and ends after towel-drying, where damage tends to show most.
For a fully matched wash day, pair it with MIRACLE HAIR TREATMENT SHAMPOO and MIRACLE HAIR TREATMENT CONDITIONER, or follow the Miracle Hair Routine.
3 MINUTE REPAIR RINSE OUT TREATMENT
When hair needs a deeper weekly reset, 3 MINUTE REPAIR RINSE OUT TREATMENT works in just a few minutes to help strengthen and improve manageability, without the heavy, over-rich feel of some masks. Use it in place of your conditioner once or twice a week.
It pairs naturally with the REPAIR MY HAIR range for a full strengthen-and-repair routine.
REPAIR MY HAIR NOURISHING SHAMPOO & CONDITIONER
If your hair is fragile, breaking or feels straw-like, build your wash day around repair. REPAIR MY HAIR NOURISHING SHAMPOO cleanses gently while supporting strength, and REPAIR MY HAIR NOURISHING CONDITIONER helps detangle and soften so there is less breakage when you brush.
Follow the Repair and Clean routine for a simple weekly structure.
MIRACLE HAIR MASK
For deep moisture and softness when hair feels really depleted, MIRACLE HAIR MASK delivers an intensive hit of nourishment. Use it weekly on damaged mid-lengths and ends, and leave it on a few extra minutes when hair needs more. Available in a larger 500ml size.
BUILD YOUR REPAIR ROUTINE
Shampoo and conditioner alone may not be enough if you heat style, colour or spend time in the sun. A simple layered routine rebuilds hair faster and keeps it strong long-term:
- Cleanse gently with a repair or sulphate-free shampoo so you stop stripping the hair.
- Condition every wash to smooth the cuticle and cut down breakage while detangling.
- Deep treat weekly with 3 MINUTE REPAIR or MIRACLE HAIR MASK, alternating repair and moisture based on how hair feels.
- Protect daily with MIRACLE HAIR TREATMENT as a leave-in, plus heat protection before every hot tool.
See the full Hair Treatments range or head to the Miracle range to build your line-up.
SHOP & BUILD YOUR ROUTINE
Want to browse by category and build a routine that rebuilds strength and keeps hair healthy? Start here:
If you want extra help choosing, take the Hair Quiz, browse the FAQs, or reach out via Contact Us. You can also find your nearest stockist using the Store Locator.
