This concentrated serum supports the hair with a special bond-building complex that simultaneously improves softness, strengthens, and detangles the hair. It keeps the hair hydrated, reducing frizz and helping to repair damage for a luscious finish. A heat-protective shield keeps the hair safe in temperatures up to 232C, ideal for heat styling.Suitable for fine, medium, and thick hair. Ideal for hair that has been damaged by heat, chemical, or physical styling.To use: Apply to damp or dry hair and work through.All Bumble and bumble products are free from parabens, phthalates, mineral oils, and formaldehyde. Bumble and bumble is also a cruelty-free brand, never tested on animals.