*Receive 25% off oils and serums when you buy two or more products on kerastase.co.uk. Use code: TREAT25 at checkout. Only available online 00:01am 08.09.25 – 11.59pm 17.09.25. Uk only. Subject to availability. Whilst stocks last. Offer available at www.kerastase.co.uk. Incomplete, illegal, misdirected or late redemptions will not be valid. Promoter is not responsible for redemptions lost, damaged or delayed to technical or connectivity or other problems.