How to Take Care of Dyed Hair: Keep Colour Bright and Strong
The secret to dyed hair that stays vibrant is simple: dye lifts the cuticle and dries the hair, so colour care is really moisture care plus fade-prevention, wash less and cooler, condition deeply, protect from heat and sun, and use sulphate-free products. Do those few things consistently and your colour stays bright and your hair stays strong. Here is the full routine.
Key takeaways
- Sulphate-free shampoo is the biggest single win, sulphates strip both colour and moisture.
- Wash less often and rinse cool to slow fading and keep shine.
- Deep condition weekly, dye dries hair, and dry hair breaks.
- Heat and UV both fade and damage colour, protect against both.
- Space out colour services and only process new growth to limit damage.
Why dyed hair needs special care
To deposit colour, dye (and especially bleach-based lightening) opens the hair's cuticle and alters the pigment inside, which removes moisture and leaves the strand more porous and fragile. Porous hair also lets colour molecules escape faster, which is why it fades. So every good colour-care habit does one of two jobs: keeping moisture in, or keeping colour from washing out.
Your dyed-hair routine
1. Switch to sulphate-free, colour-safe washing
This matters more than anything else. Sulphates are harsh detergents that strip colour and oils. A gentle sulphate-free shampoo and conditioner protect both.
2. Wash less often
Every wash fades colour a little. Stretch to two or three washes a week and use dry shampoo on oily days.
3. Rinse cool
Hot water swells the cuticle and lets colour leach out. A cooler final rinse helps seal it and boosts shine.
4. Deep condition weekly
A rich mask replaces the moisture dye removes, so hair bends instead of snapping. Choose one for colour-treated hair.
5. Protect from heat
Flat irons and dryers dry and fade colour, air-dry when you can, and always use heat protection with lower temperatures when you style.
6. Protect from sun and chlorine
UV fades colour, wear a hat in strong sun. Before swimming, wet your hair and add a leave-in so it absorbs less chlorine; a swim cap helps further.
7. Trim and time your colour
Trim split ends every 6 to 8 weeks. Space touch-ups sensibly (every 4 to 8 weeks as roots show) and only colour the new growth. Fade-friendly techniques like balayage and ombre need fewer salon visits.
A gentle, sulphate-free daily duo, cleanses and conditions without stripping colour or moisture, with biotin, argan oil and rosemary. Kind to colour-treated hair.
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Frequently asked questions
Can I use regular shampoo on dyed hair?
Best not to, most contain sulphates that strip colour and moisture. Use a sulphate-free, colour-safe shampoo instead.
How do I keep red hair from fading?
Red fades fastest of all shades. Wash less, rinse cool, use colour-safe products, keep hair out of strong sun, and refresh with a colour-depositing conditioner between salon visits.
How often should I deep condition?
Once a week, more if your hair feels dry or you have lightened it. Dyed hair thrives on moisture.
How long should I wait to wash after colouring?
Wait 48 to 72 hours so the colour sets before the first wash.
Does cold water really help colour last?
Yes, a cooler rinse helps seal the cuticle, reducing colour loss and adding shine compared with hot water.
Caring for dyed hair comes down to moisture and protection: sulphate-free washing, fewer and cooler washes, weekly deep conditioning, and guarding against heat and sun. Keep your hair healthy and your colour rewards you by staying vivid for longer. If colouring has left your hair fragile, see our guides to hair fall after colouring and repairing bleach-damaged hair.
