Best Professional Grey Toner for Hair

BORTHE Professional Permanent Hair Colour/Dye in Dark Grey is a top pick in the Best Professional Grey Toner category, offering vibrant, long-lasting color. Crafted in Italy, it's gentle on the scalp, providing 100% white hair coverage without harsh chemicals. Suitable for both professional and home use, it caters to various needs with natural tone directions.

Easy to apply with durable outcomes, it's perfect for salons. It also enhances hair health, adding shine and repairing damage. For light shades like ash blonde, pre-lightening is advised.