According to The Beauty Authority:
Just a few days ago, Rodan + Fields, the supercharged social media–fueled skin care empire founded by dermatologists Drs. Katie Rodan and Kathy Fields, was awarded the title of the number-one beauty brand in both the United States and North America by Euromonitor, a market research company.
With sales revenue reaching into the billions and women from coast to coast singing their praises about the skin-transforming effects of the multiprong kits (Facebook and Instagram before-and-afters further drive home the point that they really work), it was only a matter of time before the beloved brand received some slack from users. But this goes beyond normal Internet trolling that typically involves slamming the efficacy of the brand, as a potential class-action lawsuit is being brought to light. 
In 2016, Rodan + Fields (or R+F as its fans and multitier marketing sales reps refer to it as) launched one of its biggest hits to date, Lash Boost ($150). Containing keratin, biotin, panthenol, petides and a slew of other ingredients, the no-prescription-required lash product purportedly generated over $200 million in sales in just one year. 
While some users, like the four plaintiffs who brought forward the suit claiming they experienced reactions after using the product including “bumps on the eyes, flaky patches, burning, swelling, crusting and pain, among other things” and also

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