Ceanothus Americanus Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 24, 2025
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All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Ceanothus Americanus Extract?

Ceanothus Americanus Extract is a plant based ingredient obtained from the leaves and twigs of Ceanothus americanus, a shrub also known as Jersey tea. Native to North America, the plant was brewed by early settlers as a caffeine free tea, which helped spark interest in its soothing and cleansing qualities. Today manufacturers harvest the aerial parts of the plant, dry them and then steep them in a mixture of water and food grade solvents. The liquid is filtered and concentrated to yield a stable extract that can be added to skin care formulas.

The extract contains natural saponins, tannins and flavonoids. Saponins give it mild foaming and surface active properties, while tannins offer astringent support and flavonoids provide antioxidant traces. Because of these features the ingredient appears in facial cleansers, micellar waters, gentle body washes, purifying masks and refreshing toners.

Ceanothus Americanus Extract’s Cosmetic Benefits/Uses

This ingredient is valued mainly for one role in skin care formulations.

Cleansing: Natural saponins help lift dirt, oil and makeup from the skin surface. Formulators use the extract to boost the mild cleansing power of gentle washes and toners so users get a fresh feel without harsh surfactants.

Who Can Use Ceanothus Americanus Extract

With its mild cleansing profile, Ceanothus Americanus Extract is generally suitable for all skin types including normal, oily, combination, sensitive and mature skin. Those with very dry or compromised skin may wish to pair it with richer moisturizers, as the astringent tannins could feel slightly tight if used alone in high concentrations.

The extract is derived entirely from plant material and no animal derivatives are used during processing, making it appropriate for both vegans and vegetarians.

Current data shows no specific concerns for topical use during pregnancy or breastfeeding. Still, this is not medical advice and anyone who is pregnant or nursing should have a doctor review any skincare product they plan to use, just to be on the safe side.

The ingredient does not increase photosensitivity, so there is no special sun-exposure warning beyond the usual recommendation to wear sunscreen daily.

Potential Side Effects/Adverse Reactions

Side effects and reactions to topical Ceanothus Americanus Extract vary from person to person. The points below list potential issues, though they are uncommon when the ingredient is correctly formulated.

  • Mild skin irritation such as redness or itching, more likely in individuals with very sensitive skin
  • Dryness or tightness if used in high-strength formulas without adequate moisturizers
  • Allergic contact dermatitis for those with a specific sensitivity to plants in the Rhamnaceae family

If any adverse reaction occurs, discontinue use immediately and consult a qualified healthcare professional.

Comedogenic Rating

Rating: 1/5

Ceanothus Americanus Extract is water based and contains no heavy oils or waxes that tend to clog pores. Its main active compounds are saponins, which rinse away easily, and light astringent tannins that help remove excess surface oil. Because it lacks occlusive ingredients its potential to block follicles is very low, earning it a rating of 1.

Suitable for acne-prone or breakout-prone skin.

Formulas that combine this extract with richer butters or comedogenic oils could raise the overall product rating, so always check the full ingredient list.

Summary

Ceanothus Americanus Extract acts chiefly as a gentle cleanser. Natural saponins lift dirt and oil, tannins give a mild astringent finish and trace flavonoids offer light antioxidant support. Thanks to these properties it appears in micellar waters, toners, masks and low-foam body washes.

The extract is still a niche ingredient compared with mainstream botanical cleansers like aloe or chamomile, yet formulators who want a mild plant-based surfactant are showing growing interest.

Topically it is considered low risk with only rare reports of irritation or allergy. As with any new skincare product it is wise to do a small patch test first to confirm personal tolerance.

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