Botox in Hollywood is sort of like an all-black wardrobe in New York City: normal by way of sheer volume, and therefore completely unavoidable. Still, now more than ever, people across the country are seeking authenticity — in beauty ads, on social media, and on the big screen — which, for working actors, presents a dilemma.

How can someone with a smooth (read: Botoxed) forehead also make their surprise-face or ugly-cry look believable on TV or a movie? Turns out, the answer all comes down to timing, puppeteered by the actor, a dermatologist, and the film crew.