Skin Conditioning

Lithospermum Erythrorhizon Root Oil

INCI: LITHOSPERMUM ERYTHRORHIZON ROOT OIL

Reviewed by Emma · Last updated 14 Aug 2026

Also known as: Lithospermum Erythrorhizon Root Oil

A botanical oil that supports skin hydration and barrier function

Best For Skin Types

Dry, Sensitive, All

Addresses

Dryness, Hydration, Barrier repair, Sensitivity

Usage Frequency

Daily

What Is Lithospermum Erythrorhizon Root Oil?

Lithospermum erythrorhizon root oil is derived from the root of the gromwell plant, a botanical traditionally used in Asian skincare. It functions as a skin-conditioning agent, meaning it works to improve the texture and hydration status of the skin's surface.

The oil contains compounds that appear to interact with the skin's natural barrier mechanisms, helping to address water loss and support the skin's ability to retain moisture.

How It Works

The skin barrier consists of lipids and proteins that work together to lock in moisture and keep irritants out. When this barrier is compromised—whether through environmental stress, over-cleansing, or genetic predisposition—skin becomes dry and reactive.

Lithospermum erythrorhizon root oil appears to help reinforce this barrier by promoting the natural processes that build and maintain these protective structures. This allows the skin to hold onto water more effectively and feel more comfortable.

Clinical Evidence & References

Research suggests that topical application of Lithospermum erythrorhizon root extract can increase skin hydration and reduce water loss in human studies. The ingredient also appears to support keratinocyte differentiation, which is the process by which skin cells mature and contribute to a healthy barrier.

However, most available evidence focuses on the root extract rather than the oil form specifically. Further research would help clarify optimal concentrations and long-term efficacy in cosmetic formulations.

How to Use

Lithospermum erythrorhizon root oil works well in moisturisers, serums, and occlusive products designed for dry or sensitive skin. It can be used daily as part of your routine, ideally on damp skin to help seal in hydration. If you are new to botanical oils, introduce it gradually to monitor how your skin responds.

Safety & Precautions

Generally well-tolerated in skincare products. As with any botanical ingredient, there is a small risk of sensitivity in individuals with known allergies to plants in the Boraginaceae family.

Frequently Asked Questions

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Part of a family

Lithospermum Erythrorhizon Root Oil is a variant of Lithospermum Erythrorhizon Root, the form you will most often see on an ingredients list.

A traditional plant root extract with moisturising and antioxidant properties

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