Best At-Home Hair Colour, According to Experts
Can't Resist Colouring Your Hair at Home? At Least Consider These 6 Expert Tips First
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On the subject of ammonia, Schaudt provides another helpful tip: "Look for a semi- or demipermanent coverage," she told POPSUGAR. "These are typically ammonia-free, meaning the colour penetrates under the outer cuticle of your hair." And should things not go according to plan — whether you change your mind about the shade or miss a tiny spot — these formulas also give you a little more wiggle room, as they're not permanent.
What to Try: L'Oréal Casting Creme Gloss Semi Permanent Hair Dye (£7)