How to Colour Hair Which Already Has Colour In It

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How to Colour Hair Which Already Has Colour In It

If you’re currently home colouring, or thinking about it, chances are you have coloured your hair before. Colouring hair which has been coloured previously adds a few more factors into the mix which can affect your colour result.

As always, knowledge is power and we’re here to help you understand the colour-on-top-of-colour situation and to help you colour with confidence in your home salon!

Maintaining Color

First rule of at-home color maintenance? Regrowth only! If you’ve found your shade and just want to keep it up, make sure that you only add colour to your roots when you are colouring regrowth. Use the sectioning clips, instructions and tint brush we provide in your Free Trial to section your hair and to apply colour only to your new regrowth. Overlapping onto previously colored hair can leave you with a darker, duller colour from repeated, unnecessary colouring. If you want to boost your colour in the lengths of your hair when you do your roots, save just a little bit of your colour mixture and massage the colour through the rest of your hair for a maximum of ten minutes while of your colour processing time before rinsing. Add a little bit of water to emulsify the colour and to quickly, easily and consistently work the colour through your hair before rinsing all the colour out.

Going Darker

If you’re feeling ready for a darker colour, we suggest taking is slow and steady and to darken it gradually in stages. That way you can prevent from going too dark, which is difficult to correct and can cause damage when re-lightening. We recommend darkening your hair one shade lighter than your goal color and if it’s still too light, then you can go a little bit darker. Remember: dying hair darker is much easier on your hair health than going lighter. Slow and steady wins the race.

Going Lighter

Going lighter is a trickier transition than going darker, since the newly deposited hair colour is absorbed by hair follicles which have previously deposited darker colour. If you have been colouring your hair with a darker colour (between levels 1-5), and over-lapping colour, your will have someĀ  colour build-up. Achieving a lighter colour outcome is not always as simple as just choosing a new lighter colour, popping the colour on and achieving textbook lighter colour results. We use a 20 vol developer which can lighten uncoloured hair up to two colour levels, but it can not lift previously coloured hair.

An easy, effective and reasonably gentle way to lift out darker permanent colour pigments or to lighten your hair’s base colour level is to do a quick bleach wash. We have all the items you need to lift and lighten at home in our Bleach Wash Kits, including detailed instructions, bleach powder, developer, Colour Protection Shampoo and Conditioner and gloves. A bleach wash combines bleach, developer with shampoo which you massage through your hair, leave in for 10-15 minutes, to achieve a lighter base colour. It is best to rest your hair for 48 hours and you can then recolour and achieve a lighter colour outcome.

Bleach Wash kits are now available and can be added as a once-only shipment to your next Colour Kit shipment – update your order in ‘My Account’.

New to The Shade? Interested in having your own home salon complete with salon accessories and your Colour Kit shipped when you need it? Get started with our Free Trial today.


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