Americans sink serious money into products, procedures and services aimed at beautifying skin, hair and nails—everything from simple moisturizers and manicures to injectable fillers and face-lifts. Many pursue these solutions to defy the natural effects of aging by masking or delaying the development of wrinkles, age spots, saggy skin, gray hair, hair loss or brittle nails.

While topicals and treatments will always be popular, an entirely different class of beautification and healthy aging products has gained traction in recent years. Nutricosmetics, based on an evolved, less superficial conception of beauty and aging, influence how we look from the inside out. Rather than being applied to the body, these products deliver key nutrients, botanical extracts and other compounds shown to support skin, hair and nails in dietary supplement form. Here are the top clean-label ingredients for beauty and healthy aging.