Auxins are plant hormones. The most important auxin produced by plants is indole-3-acetic acid (IAA). 1  development of the embryo. 2  leaf formation. 3  phototropism. 4  gravitropism. 5  apical dominance. 6  fruit development. 7  abscission.8  root initiation and development.he most important auxin produced by plants is indole-3-acetic acid (IAA). 1  development of the embryo. 2  leaf formation. 3  phototropism. 4  gravitropism. 5  apical dominance. 6  fruit development. 7  abscission. 8  root initiation and development.
Best Answer: A toner cleans up your face thoroughly, by removing any dirt, dead skin-cells, or other mess you might have on your face. Using it as a cleanser is much more gentle on the skin than using face-soap. It also tightens & helps firm your skin, giving it a healthy look.
What Does Toner Do for Your Face? A skin care routine starts with a cleanser, which is then followed by a toner and moisturizer, though people tend to forget to tone the skin. Making a point of adding a toner to the skin can help improve the look of the skin. Of course the benefits of a certain toner depends on the ingredients in it, read on to learn which toner to choose based on what you need for your skin: 1. Refresh. What does toner do for your face? Refresh it.