Cassia Nomame Leaf/Stem Powder: 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 Cassia Nomame Leaf/Stem Powder?

Cassia Nomame Leaf/Stem Powder comes from the dried and finely ground leaves and stems of Cassia nomame, a small shrub in the pea family. Traditionally the plant has been brewed as an herbal tea in parts of East Asia. Over time formulators noticed that the plant’s natural sugars and polyphenols help hold water, inspiring its move from teacups to skincare jars. To make the cosmetic grade powder, harvested leaves and stems are washed, air-dried then milled into a soft, tan powder that blends smoothly with creams, gels and masks. You are most likely to see it in moisturizers, hydrating masks, soothing lotions and after-sun products where steady moisture retention is a goal.

Cassia Nomame Leaf/Stem Powder’s Cosmetic Benefits/Uses

In formulas this botanical acts as a humectant, meaning it draws water from the environment and helps bind it to the skin. By boosting water content it can make the surface feel softer and look plumper which supports a fresher appearance and can lessen the look of fine lines. It also improves the texture of a product, giving creams and gels a smooth, cushiony feel that users enjoy.

Who Can Use Cassia Nomame Leaf/Stem Powder

This gentle humectant is generally suitable for all skin types including dry, normal, combination and oily because it adds water without heavy oils or occlusive waxes. Sensitive skin usually tolerates it well since the powder is free of added fragrance and harsh solvents, though anyone with a known allergy to plants in the pea family should proceed cautiously.

The ingredient is plant derived with no animal processing so it fits comfortably into vegan and vegetarian routines.

No research indicates that topical Cassia Nomame Leaf/Stem Powder poses a risk to pregnant or breastfeeding women, but this is not medical advice and those individuals should check with a healthcare professional before adding any new skincare product.

The powder does not increase photosensitivity and can be used in both day and night formulas without raising sun-related concerns.

Potential Side Effects/Adverse Reactions

Responses to topical Cassia Nomame Leaf/Stem Powder vary from person to person. The effects listed below are possible but uncommon when the ingredient is properly formulated and used as directed.

  • Mild skin irritation
  • Redness or itching, particularly on very sensitive skin
  • Allergic contact dermatitis in individuals allergic to legumes or related plants
  • Slight stinging on compromised or freshly exfoliated skin

If any of these reactions occur stop use immediately and seek advice from a qualified healthcare provider.

Comedogenic Rating

Rating: 1 / 5

Cassia Nomame Leaf/Stem Powder is water soluble and lightweight so it does not leave a greasy residue that could trap oil or dead cells in pores. The plant particles are finely milled and readily disperse in water based formulas, further reducing any clogging risk. A score of 1 reflects a very low likelihood of causing comedones while acknowledging that any solid botanical can, in rare cases, build up on extremely congested skin.

Because of the low rating this ingredient is generally suitable for people prone to acne or breakouts.

Products that combine the powder with heavy oils, waxes or poor rinsing surfactants could raise the overall comedogenicity of the finished formula, so look at the full ingredient list if you are highly breakout sensitive.

Summary

Cassia Nomame Leaf/Stem Powder works mainly as a humectant, attracting and binding water to the skin surface to boost hydration, smooth texture and give a fresher appearance. By slipping easily into creams, gels and masks it also adds a soft, cushiony feel that many users enjoy.

While not as famous as hyaluronic acid or glycerin this plant based powder is gaining quiet traction among formulators who prefer natural humectants that double as mild texture enhancers.

Topical use is considered low risk with only isolated reports of irritation or allergy. As with any new skincare ingredient it is wise to do a patch test first to ensure personal compatibility.

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