About

We repurpose and recycle materials from the animal agriculture and food industries – transforming them into essential ingredients that do everything from feeding animals to fertilizing crops to fueling planes and nourishing people.

Solutions

As a world leader in circularity, we transform materials from the animal agriculture and food industries into valuable ingredients. Ingredients that nourish people, feed animals and crops, and fuel the world with renewable energy. This is supported through three segments within our operations: Feed, Food and Fuel.

Essential ingredients for animal nutrition, fertilizers and renewable fuels.

Ingredients to enhance human health and wellbeing.

Powering the future with low-emission energy solutions.

Brands

Our brands span more than 260 facilities across the world, transforming more than 16 million metric tons of raw material into over 350 sustainable ingredients every year.

Sustainability

Sustainability is our business. As the world’s leading practitioner of circularity, we transform unused resources into valuable ingredients that nourish people, feed animals and crops, and fuel the world with renewable energy. Our innovations help reduce landfill and minimize emissions on a global scale.

Investors

We are a leader in circularity — showcasing that sustainability and profitability can go hand-in-hand.

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Careers

At Darling Ingredients, passion meets purpose and every individual makes a difference. Explore the diverse range of career opportunities we offer around the world.

Jobs outside the U.S.

Jobs in the U.S.

Media

News, stories and events.

Beauty science

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Beauty from within

Our premium collagen peptide brand Peptan^® helps promote beauty from within and set the standard for quality, versatility and organoleptic performance.

Our scientific portfolio^1,2,3,4,5 is continuously expanding with new findings, enhancing our understanding of Peptan’s benefits on skin and hair beauty, across diverse ethnic populations.

Peptan for beauty

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Benefits

Peptan for beauty

Benefits observed in scientific studies.

+8%

Improved skin density

On average, Peptan vs Placebo^2,3

+7%

Skin elasticity

Increased skin elasticity^3,4

+14%

Skin hydration

Improved skin hydration^2,3,4

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Bioavailability

Proven bioavailability regardless of their specific animal source¹

Skin beauty

Supports skin firmness and supports against skin sagging^2,3

Anti-aging

Anti-aging including wrinkle reduction³

Hair beauty

Support for hair beauty⁵

Resources

Additional information

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Discover our science brochure

Download our brochure and explore how Peptan helps support skin firmness, hydration, elasticity, and hair beauty from within.

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Watch our video

Discover how Peptan works from the inside out to nourish your skin, strengthen nails and hair.

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Does ethnicity affect how our skin ages?

Learn more about Peptan

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Connect with us

Contact our sales team today

Learn more about our products and their proven health and nutrition benefits by connecting with us today.

References

Kleinnijenhuis, A. J., et al. 2019. https://doi.org/10.1007/s00216-019-02323-x
Asserin, J., et al. 2015. https://doi.org/10.1111/jocd.12174
Vleminckx, S., et al. 2024. https://doi.org/10.1111/jocd.16458
Kuninty et al. Rousselot clinical data
Pappelbaum, K. I., et al. 2024. https://doi.org/10.1016/j.jff.2024.106124

Connect with us

Contact Rousselot