Frequent colouring and chemical treatments can wreak havoc on your lengths, leaving them damaged, brittle and dull. Biolage’s Keratin Dose range swoops in to rescue weak, overprocessed hair with hero ingredients pro-keratin and silk extract to fortify and smooth the fibre, promoting stronger, healthier-looking head of hair. The range’s sulphate-free shampoo creates a lightweight foam that lifts away dirt, oil and product build-up from the scalp and lengths for a refreshed feel. Set Contents: Keratin Dose Shampoo 2 x 250ml