Scientifically? Silicone is a water permeable barrier. This basically means that water can enter and exit the hair shaft. It is just that water can be slowed down in doing this by the silicone. The heavier the layer of silicone, the worse the issue.
Originally Posted by ricotdorothy
In other words, the effects of oils and moisturizers will be impeded but not completely invalidated by the silicons.........?
Lol I think I understand. This new stuff can be hard to grasp.So much new info to remember !