What it is: A blending brush made with super soft nylon fibers for easy, effortless application.Brush Formulation: All Formulas Brush Coverage: BuildableBristle Type: SyntheticIngredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, cruelty-free, and comes in recyclable packaging.What Else You Need to Know: Luxurious and durable, each brush is handmade in Japan by the most prestigious brush maker in the world using cruelty-free, super soft nylon fibers and sustainably sourced birch. Thoughtfully designed shorter handles make for easy, effortless application. This brush is cruelty-free.