As we age, our collagen production slows, causing our skin to lose firmness and elasticity. To combat this, dermatologists ...

With a client list that includes Katy Perry, Chrissy Teigen and the entire Kardashian-Jenner family, Dr. Jason Diamond is one of Hollywood’s hottest docs.

I tried foundations from Haus Labs, Il Makiage and E.l.f. to test for coverage, longevity and finish. I also tried to find ...