The Worst Skincare Mistakes, Shared By Dermatologists

“Results take anywhere from 6 to 12 weeks of consistent use with a topical cosmetic product. When someone only gives a product 1 to 2 days to work before moving on to the next thing, they’ll never achieve the best possible result,” Samuel said.

“Switching up your product mix too often can also leave your skin confused and lead to adverse effects — signs of sensitivity, irritation, breakouts, excess dryness, and excess oiliness are all very real possibilities when you are changing up products every few days,” he added.