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Moumoujus

ASPALATHUS LINEARIS LEAF/STALK EXTRACT.

Valuable CAS - / SKIN CONDITIONING

Aspalathus Linearis Leaf/Stalk Extract, commonly known as Rooibos, is a botanical ingredient rich in powerful antioxidants. It offers comprehensive benefits, including protection against oxidative stress, soothing properties for irritated skin, and a contribution to a refined, more even complexion.

Summary

Antioxidant Skin-Conditioning Soothing Anti-aging Anti-inflammatory Antimicrobial Moisturizer Exfoliant

Science

Mechanism of Action

This extract operates through several mechanisms to enhance skin health. Its primary action stems from a high concentration of polyphenolic antioxidants, such as aspalathin and nothofagin, which actively scavenge free radicals generated by environmental stressors like UV radiation. This robust antioxidant defense helps to mitigate visible signs of premature aging. Aspalathus Linearis also exhibits anti-inflammatory qualities, aiding in the reduction of redness and irritation, and possesses mild antimicrobial properties to support skin balance. Furthermore, its natural Alpha Hydroxy Acids (AHAs) gently promote cell turnover for smoother skin texture and more uniform pigmentation, while also supporting the skin's protective barrier and hydration levels.

Research

Clinical Evidence

Low confidence
Effective range 1–3%
Optimal

N/A

Key findings

  1. 01 In vitro studies indicate cytoprotective effects against UVB irradiation in HaCaT cells at a concentration of 282 µg/mL (IC50 for linearthin, a compound found in the extract).
  2. 02 Supplier data suggests antioxidant properties are observable at 0.1% concentration.

Transparency

Dusting Analysis

Not commonly dusted

There is no current evidence to suggest that Aspalathus Linearis Leaf/Stalk Extract is frequently used at cosmetically insignificant concentrations for marketing claims.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

To maintain its potency, the extract should be stored in air-tight and light-proof containers. Encapsulation, such as with beta-cyclodextrin, can further enhance its stability against oxidative degradation.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
3%
Sensitization risk Low

Although not yet reviewed by the Cosmetic Ingredient Review Expert Panel, regulatory bodies like the European Cosmetics Regulation and the FDA permit its use in cosmetic products, indicating it meets general safety standards. It is generally well-tolerated, with rare instances of mild skin irritation or allergic reactions possible, particularly for individuals with sensitive skin or known plant allergies; a patch test is recommended prior to widespread use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Aspalathus Linearis Leaf/Stalk Extract is a valuable multi-functional botanical, offering potent antioxidant protection, soothing benefits, and gentle skin refinement suitable for a wide range of skin types.

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