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Congratulations to Josh Rosebrook for completing their clinical trial with Citruslabs

A study to assess the effect of Ultra Peptide Cream on skin health and appearance

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Josh Rosebrook Ultra Peptide Cream contains a proprietary blend of three biomimetic peptides, two botanical-based polypeptides, and ceramides to diminish the visibility of lines and deliver plumper-looking skin while simultaneously strengthening the skin barrier. 

To understand the effectiveness of Ultra Peptide Cream, Josh Rosebrook decided to run a clinical trial with Citruslabs. 

About Josh Rosebrook

Integrity and results-driven skincare for all

Josh Rosebrook is an integrity-founded skin, hair, and body care company on a mission to strengthen skin health and support the vitality of the person within.

They create bio-designed, research-driven products that harness advancements in cosmetic science and sustainable practices to bring you optimum performance formulations with potent botanical and biomimetic ingredients.


The product

The ingredients in this tested product include:

  • Three biomimetic peptides

  • Two botanical-based polypeptides

  • Ceramides

  • Niacinamide

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  • Fatty acids

  • Postbiotics

  • Amino acids

  • Minerals


Ultra Peptide Cream significantly improves a range of perceived skin concerns and quality characteristics

Results: Participants applied the test product twice daily to their faces for 8 weeks. Studies were completed after 2, 4, and 8 weeks of product use.

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88% improved skin texture and visibly brighter skin

88% said their skin looked healthier, brighter, and more smooth

88% experienced improved skin health and appearance

85% had firmer, lifted, and more plump skin

82% experienced more elastic and supple skin


Josh Rosebrook Ultra Peptide Cream effectively improves participants' perception of skin health.

About Citruslabs

Clinical trials for consumer brands 

Citruslabs’ mission is to provide robust, affordable clinical trials for your brand. We are setting new standards for creating research-backed product claims for supplements, skincare products, devices, CBD products, health foods, and superfoods.

We can do it all

Study design

IRB process

Patient recruitment

Patient adherence 

Data collection

Data analysis

Product claims

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