protectant

/pruh-tek-tuhnt/US // prəˈtɛk tənt //UK // (prəˈtɛktənt) //

保护剂,防护剂,护卫,护理剂

Definitions

n.名词 noun

1
- : a substance, as a chemical spray, that provides protection, as against insects, frost, rust, etc.; protective agent.

While some materials used in hair tools are better when it comes to preventing hair damage, it’s always important to prep your hair with a heat protectant and to make sure your hair is completely dry prior to using your curling iron.
As a seed protectant, juglone is unsuitable because of its inherent toxicity to the non-cutinzed root surfaces.