The cuticle is your hair’s protective outer layer, and when it’s healthy, it’s smooth and flat. Damage can lift some of the ...

Here’s a simple list of ingredients to get started: If you want to skip the citric acid, you can use cream of tartar as a ...

Students prepare two solutions, with citric acid and cream of tartar, and test the two solutions with baking soda to see which produces a greater amount of gas. Make a Prototype After students decide ...