What happens next in this paragraph?

The lady in black is doing a hairstyle tutorial and demonstrating on another woman who is seated next to her. She shows the hairspray that she has used on the model. she
Pick from: 1). demonstrates why store the products so well. 2). uses the hairspray on the model's hair and sprays it. 3). spreads some more hair products throughout the hair and interacts with the dirty hair to give them a real look. 4). then demonstrates by taking a glass of ice and sprinkling some of the foam on the model's hair.
2).