(TrendHunter.com) Surface Hair has introduced its Violet Shampoo — a sulphate-free, cruelty-free, and vegan toning formula that uses violet pigments to neutralize unwanted yellow and brassy tones in blonde, gray,…(TrendHunter.com) Surface Hair has introduced its Violet Shampoo — a sulphate-free, cruelty-free, and vegan toning formula that uses violet pigments to neutralize unwanted yellow and brassy tones in blonde, gray,…