You know the clear-cut elements to avoid meat, dairy, seafood, and eggs.

But there are some sneaky ingredients you may not recognize as animal-sourced, particularly in cosmetics and skincare products.

As veganism has gained popularity, many companies have begun adding vegan-friendly identifiers to their products.

Woman wearing Go Vegan shirt

Animal-derived components can be lurking in unsuspecting places.

What is elastin?

Elastin has a similar effect.

Skin care serum in a dropper

It’s used as an anti-aging agent, hence its popularity and widespread use in skincare products.

Humans also produce elastin: It gives our tissues you guessed it elasticity (viaShape).

“Elastin helps keep skin tight.

Woman eating salad in kitchen

That’s when our elastin production naturally begins to decrease (via Shape).

Luckily, a vegan-friendly innovation is in the works.

Geltor, a California-based bio-design company, has cracked the code for a vegan elastin product namedElastapure.

This means it’s possible for you to get ready to celebrate, vegans.

Leafy greens, citrus fruits, berries, and nuts all contribute to happy elastin levels.

And, if you truly want to protect elastin production, smoking has to go.

Nicotine, in both cigarettes and electronic cigarettes, ages the skin rapidly (via Cleveland Clinic).