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POLYGONUM TINCTORIUM LEAF/STEM EXTRACT.

Valuable CAS - / SKIN CONDITIONING

Polygonum Tinctorium Leaf/Stem Extract is a botanical ingredient recognized for its multifaceted benefits, primarily functioning as a skin conditioning agent. It provides antioxidant protection and helps to soothe and fortify the skin barrier, promoting overall skin health and resilience.

Antioxidant Skin-Soothing Skin-Conditioning Anti-inflammatory Skin Brightening Detoxifying Barrier Strengthening

Science

This extract conditions the skin by enhancing its overall health. Its potent antioxidant compounds effectively neutralize damaging free radicals, thereby mitigating inflammation and the visible signs of premature aging. Furthermore, it calms redness and irritation, contributing to a stronger skin barrier that defends against environmental stressors and prevents moisture loss. It also offers detoxifying, anti-inflammatory, and skin brightening properties.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Extract stability, particularly for its color, is optimized at colder temperatures, specifically around 2 ± 2 °C, compared to warmer conditions like 40 °C. While indigo dye derived from this plant typically maintains color stability within an alkaline pH range of 8-14, the extraction process itself has been successfully performed across various pH levels, including 4.0 and higher.


Safety

CIR Status
Not reviewed
Sensitization risk Low

No specific Cosmetic Ingredient Review (CIR) report or SCCS opinion is available for this extract. However, the ingredient is generally considered safe for cosmetic use, with no substantial adverse effects reported in mammals or humans in relevant patents. Products containing this ingredient are frequently categorized as 'SkinSAFE 100 Free', 'Fragrance Free', 'Paraben Free', and 'Irritant Free', suggesting a low potential for common allergens and irritants.


Your Skin

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

Our Assessment

Valuable

This extract is a versatile botanical offering significant antioxidant and soothing benefits for a wide range of skin types, supported by a favorable safety profile.


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