Supreme Blue Shampoo for Color-Treated Hair - 1L (33.8oz) - Toning & Brightening Formula for Blonde, Silver & Gray Hair - Salon Quality at Home

Formulated originally to enhance the colour of grey and white coats, this concentrated blue shampoo works effectively on all coat colours promoting depth of colour and giving definition. It is a shampoo that can be used safely without the risk of staining and which will promote the colour of dual or multi-coloured coats.