Clairol Nice'n Easy No Ammonia Hair Dye, 765 Medium Brown

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How long it will last will also vary on the type of dye you use and how much maintenance you put into your hair. Once a week, make sure you use a hair toner to keep the colour in for longer. Will it work on dark hair?

With no bleach, developer or ammonia, it's the way to go if you want a funky colour change, for example, a vibrant neon or perhaps a darker hair dye shade. In a hurry? Here's our best semi-permanent hair dye at a glance:Easy to follow instructions - this is pretty self-explanatory, but every brand's dyes are slightly different, so following clear instructions is crucial.

Most of us can't afford salon prices for bold new hair colours, so you may have considered wandering into the world of semi-permanent hair dye. It's the best hair dye option for those who are accident-prone or just indecisive. It washes out after anywhere between one and 30 washes.Yes. Semi-permanent dyes are designed to wash out, leaving your hair the same colour it was before you dyed it. We spoke to some snazzy hair colouring experts about how to use semi-permanent hair dye to achieve great results. Katie Allan, founder of MAYFIVE salon and hairstylist to London Fashion Week stars and beyond, says there are some key things to remember when you're dying your hair at home.

Katie says there's no need to be worried about hair damage after using semi-permanent dye. "It only gently lifts the cuticle for the colour to sit in-between, whereas a permeant will lift the cuticle to sit inside the hair." If you're looking to boost your undertones between salon appointments, you could use a conditioning hair dye mask or treatment (like the SHRINE Drop It Kit) or a hair toner. If you want a couple of days of jazzy colour, you could opt for something fun like BLEACH LONDON's pastel hair creams.Dying your own hair at home can be daunting, therefore, finding the right box dye that guarantees great results is a must. Here's what you should look for in a box dye: This type of dye is commonly blue because it helps to lighten brassy colours such as blonde. If you leave this on for too long or use a purple shampoo when washing, you may find that your hair has tinges of blue in it. Is silver hair dye permanent?

An after-care treatment/conditioner – after-care is crucial to maintain soft, silky and healthy hair. They are generally easy to apply," she says. "Simply massage through on clean towel-dried hair and leave for the recommended time, which is generally up to around 20 minutes. These colours do not penetrate the hair completely but just coat the surface layers and therefore last around 3 - 10 washes depending on the colour chosen." Make sure you do your research on the right shade for your hair," says Katie. "Go by the colour that is coming from your roots, not the ends. This is because the ends are always a lighter shade. Some dyes last longer than others and can go anywhere between one and 30 washes without losing colour.The best way to make your semi-permanent hair dye last longer is to avoid overwashing. With a brand new barnet, it can be tempting to keep washing it with conditioning shampoos to keep it looking fresh. However, over-shampooing can wane your colour faster, and you'll end up with a faded-looking 'do. If you're using it to cover greys, you need to be aware that it won't cover the colour 100%", says The Colour Guru and Global Head of Technical Training at Fudge Professional, Tracy Hayes. "Semi-permanent colour will not completely colour grey hair 100%, but it can blend up to 20% and therefore mask the grey, to give a slightly translucent look to the colour and the appearance of highlights," she says. What's the best semi-permanent hair dye?