Blockade Heat Defense Serum by Amika is an excellent hair treatment designed to protect hair from damage caused by heat styling. The serum has a lightweight formula that is enriched with natural ingredients to nourish and repair damaged hair. This serum is perfect for all hair types, including color-treated hair. It can be used daily to add shine, reduce frizz, and enhance the overall health and appearance of hair. Simply apply a small amount of serum to damp hair before styling with heat tools, and you can achieve healthy, beautiful locks that are free from heat damage. This serum is a must-have for anyone who regularly styles their hair with heat tools.