Jane Fonda is an ageless beauty icon. So when her makeup artist, Shawnelle Prestidge, spoke with W about how the actress keeps her skin youthful , we couldn’t resist checking out Fonda's tricks.

There was one tip in particular that stood out as a good rule to follow when it comes to finding the best anti-aging products for anyone: hydration. "I was always after products that would hydrate to a noticeable degree," Prestidge said.

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However, Prestidge noted that most products available were full of nonorganic ingredients and synthetic fragrances. After some encouragement from Fonda, Prestidge decided to create her Ageless Skin Serum ($125), one of the five hero products of her Prestidge Beauté Active Organics line. "The aesthetician in me was very passionate and unconsciously on a mission to create what has come to be my hero product."

Image/PRESTIDGE beauté

The serum is full of 15 nutrient-rich essential oils and active botanicals. After personally testing out the first batch, Prestidge saw her wrinkles minimize and disappear.

Even though Prestidge has always been a makeup artist, she's well aware of the importance of an effective, healthy skin care routine. "After all, the cornerstone of great makeup is great skin!"