The worst one is that "natural is better". I always wince when I hear that.
Dry skin should be exfoliated
That's a harmful one, ouch!
Skin cannot be improved after a period of mistreatment
the one you need 43 steps routine with expensive products to have a healthy appearance
Paraben is carcinogenic
That cream can erase wrinkles
That acne goes away in your 20s!!!
The idea that acne comes purely from unhygienic practices