It’s a common fact that you can’t eat sushi while pregnant, but did you also know there are some skincare and makeup ingredients you should avoid too? Retinols, benzoyl peroxide, salicylic acid and chemical sunscreens are all deemed unsafe for pregnant women. Kourtney Kardashian knows about the dos and don’ts all too well, and during her most recent pregnancy with her fourth child, she made it a priority to only use the cleanest cosmetics available.