John Frieda Frizz Ease The Rescuer Repair Serum reimagines damaged, brittle, and frizzy hair from the very first use. Its advanced repair technology works inside the hair fiber to reinforce bonds, seal the cuticle, and create a protective shield against external stressors. Designed for fine to medium hair with accumulated damage, this lightweight, non-greasy formula delivers strong results without weighing hair down. It targets five visible signs of damage—frizz, split ends, rough texture, dullness, and brittleness—and offers frizz protection for up to 72 hours, with humidity protection up to 90% and heat protection up to 230°C. Suitable for color-treated or chemically processed hair. Vegan. Main benefits - Visibly addresses the five signs of damaged hair from the first application - Strengthens internal bonds to reduce breakage - Seals the cuticle and restores surface lipids for greater flexibility and shine - Up to 72 hours of frizz control and up to 90% humidity protection - Thermal protection up to 230°C - Lightweight, residue-free formula suitable for fine hair and usable on wet or dry hair Key ingredients and their roles - BondForce Complex (Bis-4 PCA Dimethicone): targets the internal bond network to help rebuild structure and increase breakage resistance - Hydrolyzed Lupine Protein: a plant-based micro-peptide that penetrates the fiber to boost strength and elasticity from within - Hydrolyzed Moringa Oleifera Seed Extract: purifying and conditioning agent that softens the hair surface and adds shine - Squalane: plant-derived emollient that nourishes the fiber, improves flexibility, and helps prevent dryness-related breakage - Ectoin: natural protective amino acid that guards against environmental stress and helps maintain moisture - Vitamin E (Tocopherol): antioxidant that shields hair from oxidative and thermal damage, helping preserve structure