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Moumoujus

SPIRODELA POLYRHIZA EXTRACT.

Valuable / SKIN CONDITIONING

Spirodela Polyrhiza Extract is a botanical active ingredient renowned for its multifaceted benefits, notably deep and lasting hydration, potent anti-inflammatory properties, and effective antioxidant defense. It contributes to a visibly healthier, smoother, and more radiant complexion across diverse skin types.

Summary

Skin Conditioning Moisturizer Antioxidant Anti-inflammatory Regulates Oil Production Promotes Skin Elasticity Enhances Skin Regeneration

Science

Mechanism of Action

This extract acts as a comprehensive skin conditioning agent, primarily enhancing hydration through its rich content of apiogalacturonans, which are highly hygroscopic molecules that attract and retain water. It also activates key biological hydration pathways, including aquaporins, osmolyte transporters, and natural moisturizing factors. Its antioxidant capacity stems from its flavonoid content, effectively neutralizing free radicals and mitigating oxidative stress damage. Anti-inflammatory effects are achieved by reducing pro-inflammatory cytokines such as TNF-α, IL-6, IFN-γ, and MCP-1, inhibiting mast cell infiltration, and modulating calcium ion channels (Orai1 and TRPV3) to support skin barrier formation. Furthermore, it contributes to regulating sebum production, promoting skin elasticity, and enhancing natural skin regeneration to address minor imperfections.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

3%

Transparency

Dusting Analysis

Not commonly dusted

The primary human efficacy data highlights effectiveness at a 3% concentration, which is also noted as the maximum tested concentration for safety. This robust percentage suggests it is used as a significant active, not typically 'dusted' at sub-efficacious levels.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
3%
Sensitization risk Low

Spirodela Polyrhiza Extract is generally considered safe for topical cosmetic use, demonstrating high tolerability. Non-independent tests indicate it is non-cytotoxic, non-irritating, non-sensitizing, non-mutagenic, and non-phototoxic. While side effects are rare, a patch test is always recommended. Its mild profile even suggests potential use for infants. EWG Skin Deep rates it with low concerns for cancer, allergies, immunotoxicity, and developmental/reproductive toxicity, though it requires further substantiation for EWG VERIFIED™ products due to its 'not reviewed' status by official bodies.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Spirodela Polyrhiza Extract is a valuable ingredient, offering significant hydration, potent anti-inflammatory, and antioxidant benefits, supported by both in-vivo human data and in-vitro/animal studies, with an excellent safety and skin compatibility profile.

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