Transform your hair care routine with the Design Essentials Silk Essentials Thermal Strengthening Serum, a sulfate-free formula expertly crafted to protect, strengthen, and enhance your hair’s natural beauty.This lightweight serum is ideal for all hair types, providing exceptional thermal protection against heat styling tools while locking in moisture for a silky-smooth finish. Infused with nourishing ingredients, it helps reduce breakage, tame frizz, and leave your hair feeling soft, manageable, and full of life.