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SAPONARIA OFFICINALIS ROOT EXTRACT.

Valuable CAS 84775-97-3 / SKIN CONDITIONING

Saponaria Officinalis Root Extract, derived from the soapwort plant, is a natural cleansing agent rich in saponins. It effectively purifies the skin by removing dirt and excess oil, while also offering conditioning, antioxidant, and anti-inflammatory benefits suitable for various skin concerns.

Summary

Skin conditioning Cleansing Antioxidant Anti-inflammatory Antimicrobial

Science

Mechanism of Action

This extract functions primarily through its saponin content, which acts as a natural surfactant to generate a gentle lather, facilitating the removal of impurities and excess sebum from the skin. Beyond its cleansing action, it provides antioxidant protection against free radical damage and UV exposure. It also demonstrates anti-inflammatory properties, which can help calm irritation, reduce redness, and alleviate itching. Furthermore, its antimicrobial effects help safeguard the skin from pathogenic bacteria and fungi, making it beneficial for conditions like acne. The extract contributes to skin hydration and texture improvement by forming a protective layer that retains moisture, and it supports the restoration of the skin's natural pH balance.

Research

Clinical Evidence

Medium confidence
Effective range 0.039–0.6%
Optimal

N/A

Key findings

  1. 01 Did not demonstrate a cytotoxic effect on normal human keratinocytes (HaCaT).
  2. 02 Showed less harm to normal human keratinocytes (HaCaT) compared to several synthetic surfactants (SLS, SLES, CAPB, ALS).

Transparency

Dusting Analysis

Not commonly dusted

No specific data is available to indicate common dusting or specific dusting thresholds for this ingredient in formulations.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 4
0 7 14

Stability

For optimal stability, store the ingredient between +8°C and +25°C in its original, sealed containers, ensuring protection from direct sunlight. It is advised to shake the product thoroughly before each application.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.6%
Sensitization risk Low

While considered likely safe for topical application and well-tolerated in soaps and shampoos, the U.S. FDA has not formally evaluated its safety or efficacy for cosmetic use. Generally gentle and non-irritating, proper dilution and moderate usage are recommended as excessive application may lead to skin dryness. Cytotoxicity studies confirmed no cytotoxic effect up to 0.039% dry mass on normal human keratinocytes and indicated it was less harmful than several synthetic surfactants at concentrations below 0.6% dry mass.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A valuable natural surfactant and skin conditioner, Saponaria Officinalis Root Extract offers multifaceted benefits for cleansing, soothing, and protecting the skin across various formulations.

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