Retinal or retinol? Which one, and how to start
The Petal team

Both are vitamin A, one step apart. Here is what the difference means for your skin, and how to begin without peeling.
Start with your skin
Notice how it feels by midday: tight, comfortable or shiny. That answer decides more than any trend.
Then keep it simple
Three steps, the actives on the front, and two weeks before you judge. Take the quiz and we'll send two samples to try first.

