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Moumoujus

STEVIA REBAUDIANA EXTRACT.

Valuable CAS 91722-21-3 / FLAVOURING

Stevia Rebaudiana Extract is a multi-functional botanical ingredient recognized for its exceptional hydrating capabilities, surpassing glycerin in moisturizing effect, and its protective antioxidant properties. It actively supports skin health by improving elasticity, reducing inflammation, and contributing to a brighter, more balanced complexion, making it suitable for diverse skincare needs.

Summary

Hydrating Antioxidant Anti-inflammatory Anti-aging Skin Brightening Antimicrobial Oil-regulating Skin Cell Renewal Soothing

Science

Mechanism of Action

This extract fortifies the skin's moisture barrier, leading to improved hydration and a smoother appearance. Its antioxidant efficacy stems from a rich content of flavonoids and phenolic compounds, including ferulic and rosmarinic acids, which neutralize free radicals. Stevia Rebaudiana Extract exhibits anti-inflammatory effects by inhibiting NF-κB-mediated gene expression and reducing pro-inflammatory cytokines, addressing conditions like dermatitis and minimizing pore swelling. It supports anti-aging through enhanced cellular activity, improved skin elasticity, prevention of wrinkle formation, and preservation of dermal collagen. Furthermore, it brightens skin by inhibiting melanin production and tyrosinase activity, contributing to a more even skin tone. Its antibacterial and antimicrobial properties help maintain a healthy skin microbiome, while its ability to regulate sebaceous glands aids in balancing oil production and refining pore appearance. The extract also promotes skin cell renewal and possesses soothing qualities that enhance capillary resistance.

Research

Clinical Evidence

Medium confidence
Effective range 1–10%
Optimal

N/A

Key findings

  1. 01 Demonstrated a significant improvement in skin hydration by 20% after 28 days and 24% after 14 days, exhibiting a moisturizing effect three times greater than glycerin.
  2. 02 Showed efficacy in preserving dermal collagen and preventing photoaging in male Wistar rats exposed to UVB radiation.
  3. 03 A spray formulation achieved exceptional eradication efficacy (99.9999% to 99.999% reduction) against specific animal skin pathogens.
  4. 04 Daily application over 3 weeks resulted in significant increases in skin hydration, reduction in dark complexion, and improved skin softness and glow, alongside very mild reductions in wrinkles and pimples.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Rebaudioside A, a primary component, is stable at pH 3 and 7, but its stability is compromised by UV light exposure. Formulations should utilize light-protective packaging.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Highly purified steviol glycosides from stevia leaves are considered GRAS (Generally Recognized as Safe) by the FDA for consumption, which typically extends to topical application. Raw stevia is not approved. The EWG Skin Deep database rates it with 'LOW' concern across multiple toxicity categories. SkinSAFE identifies it as 'Irritant Free' and 'Teen SAFE'. However, some in vitro studies suggest ethanolic and glycol-aqueous extracts may exhibit more cytotoxicity and irritation than aqueous extracts, indicating the importance of extract type.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Stevia Rebaudiana Extract is a versatile and valuable botanical ingredient, offering significant hydrating, antioxidant, and anti-aging benefits with a favorable safety profile across all skin types.

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