Most of us look at Jessica Simpson and think, well, that she looks perfect including her skin.

It’s also common for flare-ups to persevere after birth.

In September of last year, the singer talked toPeopleabout suffering from the condition as a teen.

Jessica Simpson holds up her book, Open Book

And I’m just like, ‘Ah, it’s the weather.

It’s a heat rash," she shared.

And I will say that in two weeks it worked incredibly.

Jessica Simpson holds daughter Birdie