Prices updated daily — 12 June 2026
Product type overview
hair dye sits within Skin Care & Body, part of Health, Baby & Personal Care. On this page you compare 3 products from 6 UK supermarkets: Tesco, Sainsbury's, ASDA, Aldi, Morrisons and Waitrose. The lowest unit price for hair dye is £305.28/kg at ASDA. In total, 1 variants of hair dye are compared (different pack sizes and compositions). All prices are normalised to the same unit (per kilogram, per litre or per piece) so that packs of different sizes can be compared fairly — a larger pack is not automatically the best value. The ranking below shows, per variant, which supermarket currently has the sharpest price, including own-label products alongside national brands. Prices refresh daily from the retailers' own public price lists, so you never see stale offers when planning your weekly shop. Allsupers uses no affiliate links or paid placement; the ranking is purely price-based and updated from public data.
Cheapest hair dye
Compare 3 products across 6 supermarkets
hair dye — compare prices across 6 supermarkets

Unbranded
Garnier Olia Permanent No Ammonia Hair Dye Dark Brown 4.0
1 pieces
£10.00/unit
at 1 supermarket

Just For Men
Just For Men Beard & Moustache Medium Brown
28.4 g
£306.34/kg
at 1 supermarket

Just For Men
Just For Men Moustache & Beard Dark Brown - Black
28.4 g
£306.34/kg
at 1 supermarket