Krastase Resistance Serum Extentioniste 50ml Double Stock up on your favourite Krastase serum with this handy double pack This scalp and hair serum is perfect for those seeking healthy hair length It works to strengthen and fortify hair for reduced breakage HOW TO USE Step 1 Apply maximum 3 pipettes of Serum Extentioniste along all the scalp once or twice a week Step 2 Using the tips of the fingers work the Serum into the scalp using circular motions Krastase Resistance Serum Extentioniste 50ml Double