Cali Sue Thermal Shield SerumDescription Our Thermal Shield Serum will be your go to heat protectant. This premium serum is designed to safeguard your hair from the damaging effects of heat styling. It is enriched with carefully selected ingredients to nourish and protect your hair while providing optimal heat protection. The Thermal Shield Serum is suitable for all hair types and is especially beneficial for those frequently using heated styling tools like flat irons, curling