AN effective skincare routine doesn't have to cost you an arm and a leg. Even some Hollywood actors swear by affordable beauty products when it comes to maintaining smooth complexions. Meghann Fahy, 34, spoke to The Strategist about her favorite anti-aging buy.

The actress, who starred in the second season of The White Lotus, revealed her favorite skincare serum. Fahy recommended an oil control serum by The Ordinary, which is available for $6 at Sephora. She spoke about her favorite aspects of the budget-friendly beauty buy.

"It's really rare to find beauty products that work and are affordable," Fahy said. She explained that her friend originally introduced her to the facial serum. Fahy broke down her stripped-back skincare routine for her fans.

She revealed that she applies the serum after cleansing and before putting on her SPF in the morning. The morning isn't the only time of day Fahy uses the serum, she also applies it at night before her lotion. Fahy praised the effect the serum has had on her complexion since she began using it.

"It helps with unevenness and smoothing the texture of my skin," Fahy explained. She described feeling "totally shocked" by how well the skincare product worked. Fahy, who has been using the serum for years, said she even gives out bottles of it to her friends, calling it her "go-to.

" The medical experts at WebMD broke down the science behind niacinamide as a skincare ingredient. "Niacinamide is required for the function of fats and sugars in .