7 Best Hair Serums for Heat Protection in 2026
Looking for the best heat protectant serums to keep your hair shiny and healthy? These seven options, from Aveda’s smoothing miracle to Olaplex’s bond-building magic, not only shield your strands from heat up to 450°F but also tame frizz, boost shine, and hydrate with nourishing oils. Whether you’ve got curls or straight locks, these lightweight…