We spoke to Gina Conway from Gina Conway Salons and Spas, who helped shed some light on why hair goes brassy and how a purple shampoo can help:

Beauty Works Anti Yellow Shampoo formula is 100% vegan friendly. Our natural ingredients deliver soft manageable hair. Beauty Works provide luxury hair enhancement’s that inspire confidence and empower you to look and feel your very best. Including easy clip-in solutions and exclusive collaborations. Our hair extensions and stylers have earned reignition amongst the beauty press and up and down the red carpet. Specifically designed for blonde hair. Our formula includes violet pigment to neutralise the unwanted yellow and orange tones caused by UV rays, chlorine, iron water and even heated tools over time. Adding shine to dull and brassy blondes, our special formula reduces the appearance of yellow discolouration for a brighter and glossier experience. Enriched with Sunflower extract for extra shine and long lasting colour, and vitamin F, for stronger and healthier hair. Blondes will see a cooler, cleaner results when introduced to their haircare routine. Follow with the Beauty Works Pearl Nourishing Conditioner for best results.

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Our hair is getting all the love because we’ve built Beauty Works by bringing you the very latest hair products in the industry, working with leaders in our sector that deliver the latest hair trends and were here for it! But don’t just take our word for it, over the last ten years we’ve been featured in the national press including Vogue, Cosmopolitan, Grazia Magazine, Glamour and on ITV This Morning, and USA Chanel E! News. Our hair extensions and hair products have the seal of approval from the beauty blogger community.

Delivery is on a selected date, you can choose a delivery day of your choice, up to 10 days in advance (Excluding next day delivery. Postcode restrictions apply)Beauty Works Anti-Yellow Shampoo 200ml, neutralises yellow & brassy tones to reduce the appearance of discolouration, whilst giving shine to dull hair. It’s very common for colour treated hair to change tone, especially through exposure to the sun, environmental pollutants and water with high mineral levels or chlorine,' says Gina. 'When hair is lightened, the natural colour is removed to accommodate the new colour, but as all hair colour has an underlying warmth, this will eventually start to show through. Using a purple shampoo will balance the yellow and orange tones in the hair.' How many times do you use purple shampoo?

For our lab test, we used a spectrophotometer. It's a colour measurement device that we used to analyse the improvements in the yellow tones of the hair after a one-week testing period. Find out which is the best anti-brass shampoo below...

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