Heat-Protectant Leave-In Serum with Vegan Quinoa Protein REF Leave in Serum is a lightweight, leave-in styling serum that protects hair from heat styling while adding hydration and slip. Hydrolyzed Quinoa protein — structurally similar to the keratin in hair — works alongside Jojoba Seed Oil and Coconut Oil to support smoothness and a long-lasting detangled finish. The formula is 100% vegan and cruelty-free. This 125ml bottle is the standard retail size. Why Choose It? Heat protection for blow-drying and hot-tool styling Hydrolyzed Quinoa protein adds strength to the hair fibre Long-lasting detangling and slip on damp hair Lightweight leave-in feel that does not weigh strands down 100% vegan and cruelty-free Best For Dry, damaged or heat-styled hair that needs a leave-in step for protection, hydration and easier detangling before blow-drying or hot-tool styling. The 100% vegan, cruelty-free formula suits plant-based haircare routines.