How to Prevent Retinization

There is something called retinization, which is that redness to dryness that can happen when you start using a retinoid. We are going to prevent it by one, using a peace size amount, little, make it enough. So your index finger, yes, the peace size amount. Tap, tap, one, two, three, four, five, and you rub it in nice and thoroughly. And that's it. You can also use moisturizer first. That's another way that you can deal with it as well. What does that do? So it's kind of like a barrier, right?