Skin Conditioning

Hydrolyzed Carrot Protein … Extract

INCI: HYDROLYZED CARROT PROTEIN/HYDROLYZED KALE PROTEIN/HYDROLYZED LEMON PROTEIN EXTRACT

Reviewed by Kate · Last updated 2 Jun 2026

Plant-derived proteins that condition and support skin's structural integrity

Best For Skin Types

All, Dry, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Hydrolyzed Carrot Protein … Extract?

Hydrolyzed plant proteins are derived from vegetables such as carrot, kale, and lemon. Through hydrolysis—a process that breaks down larger protein molecules into smaller amino acid chains—these plant materials become more suitable for skincare formulations. The resulting ingredient functions as a conditioning agent that can interact with the skin's surface.

These proteins are incorporated into skincare products for their potential to improve skin feel and maintain moisture. Unlike animal-derived proteins, plant-based hydrolyzed proteins offer a vegan alternative with a similar conditioning function.

How It Works

When applied topically, hydrolyzed plant proteins are small enough to interact with the skin's surface rather than penetrate deeply. They work primarily through occlusion—creating a light protective layer that helps prevent transepidermal water loss—and through conditioning, which can improve how skin feels and appears.

The amino acids present in these hydrolyzed proteins may also be recognised by skin cells and incorporated into natural repair and maintenance processes, though the extent of this effect in topical formulations is not fully established.

Clinical Evidence & References

Limited peer-reviewed research exists specifically on hydrolyzed carrot, kale, or lemon proteins in skincare. The conditioning properties of hydrolyzed plant proteins are well-established in cosmetic chemistry, but human studies demonstrating measurable skin benefits are sparse.

Evidence for general hydrolyzed plant proteins suggests they can improve skin hydration and texture when used in formulations, though most supporting data comes from manufacturer testing rather than independent clinical trials. More research would help clarify their specific contribution in skincare products.

How to Use

These ingredients are typically found in serums, moisturisers, and conditioning treatments. Use as directed by the product formulation—usually once or twice daily. Because they are generally well-tolerated conditioning agents, they work well in combination with other skincare actives and can be layered into most routines without concern.

Safety & Precautions

Hydrolyzed plant proteins are generally considered safe and well-tolerated by most skin types. Those with known allergies to the source plant (carrot, kale, lemon) should check ingredient lists, though allergic reactions are rare.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations