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HIBISCUS ROSA-SINENSIS LEAF EXTRACT.

Valuable CAS - / BLEACHING, HAIR CONDITIONING

HIBISCUS ROSA-SINENSIS LEAF EXTRACT is a potent botanical known for its multi-faceted benefits, addressing diverse skin concerns. It is highly valued for its soothing, hydrating, and protective attributes, alongside its capacity to foster skin renewal and promote elasticity.

Anti-inflammatory Antioxidant Moisturizing Humectant Astringent Exfoliant Skin conditioning Emollient Anti-aging Collagen support Cell regeneration Melanin regulation Hair conditioning

Science

This extract offers comprehensive skin support through several key mechanisms. Its anti-inflammatory action, attributed to flavonoids, saponins, and steroids, helps soothe irritation and reduce redness by inhibiting Reactive Oxygen Species (ROS) and inflammatory mediators, potentially benefiting conditions like eczema. The presence of mucilage confers significant moisturizing and hydrating effects, functioning as a natural humectant to attract and retain moisture, thereby improving skin texture and mitigating dryness. It also exhibits astringent properties, contributing to skin tightening and toning while minimizing the appearance of pores and fine lines. As a robust source of antioxidants, including Vitamin C, flavonoids, and anthocyanocides, it provides protection against environmental stressors, neutralizes free radicals, and reduces oxidative damage. Furthermore, it delivers anti-aging benefits through natural Alpha Hydroxy Acids (AHAs) that gently exfoliate, promoting a smoother skin tone. It also supports collagen synthesis for firmer, more elastic skin and inhibits collagenase and elastase, enzymes that degrade collagen and elastin, helping to prevent wrinkle formation. The extract additionally enhances skin elasticity, stimulates microcirculation, accelerates cell regeneration, and assists in achieving an even skin tone by modulating melanin production.


Research

Medium confidence
Effective range ≥4%
Optimal

4%

Key findings

  1. 01 A 4% Hibiscus rosa-sinensis leaf extract ointment, when applied as an adjunct to compression stockings, achieved complete closure of venous leg ulcers in 83.3% of patients within a 12-week period.
  2. 02 In vitro assays utilizing more than 10% Hibiscus sabdariffa callus extract, a related species, demonstrated robust anti-melanogenic effects, enhanced skin barrier function, and significant antioxidant activity.

Transparency

Not commonly dusted

Data to determine common dusting practices or specific thresholds for this ingredient is not available.


The Formula

Solubility
Water
Optimal pH 4 – 6.5
0 7 14

Stability

For optimal stability, store the extract light-protected in a cool, dry environment. Hibiscus extracts are naturally slightly acidic.


Safety

CIR Status
Not reviewed
Sensitization risk Unknown

Generally recognized as safe for topical cosmetic application, though the Cosmetic Ingredient Review (CIR) has not formally reviewed it. Potential for minor skin irritation, allergic reactions, redness, itching, or rash exists in sensitive individuals, thus a patch test is recommended prior to widespread use. Data regarding its topical safety during pregnancy or breastfeeding is currently insufficient; consultation with a healthcare professional is advised. While Hibiscus extracts hold 'Generally Recognized As Safe' (GRAS) status by the FDA for food and beverage applications, this designation does not directly extend to cosmetic use.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Low

Our Assessment

Valuable

HIBISCUS ROSA-SINENSIS LEAF EXTRACT is a valuable botanical for its multi-faceted benefits, including significant antioxidant, anti-inflammatory, moisturizing, and anti-aging properties, making it suitable for a broad range of precision skincare formulations.


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