Science
Mechanism of Action
This extract functions through multiple pathways: it contains salicylic acid derivatives that deliver anti-inflammatory and soothing effects; a rich profile of flavonoids and phenolic acids provides strong antioxidant defense against environmental damage and premature aging. Tannins contribute astringent properties, aiding in pore refinement and skin purification. Furthermore, it inhibits 5-alpha reductase to reduce excess oil, enhances dermal cell proliferation for improved skin renewal, and can help inhibit melanogenesis for a more even complexion. Its conditioning properties leave the skin feeling soft, smooth, and hydrated.
Research
Clinical Evidence
Medium confidence2-5%
Key findings
- 01 Effective for helping to control visible signs of oily skin, with antioxidant and soothing benefits observed even at lower concentrations.
- 02 Recommended as a raw material to calm skin irritation, mitigate sensitivity-related redness, and effectively regulate sebum production.
- 03 Recommended for use in skincare products to impart tonic, soothing, and antioxidant properties.
Transparency
Dusting Analysis
Effective concentrations for key benefits, such as oily skin control, begin at 0.5%. While antioxidant and soothing effects may occur at lower levels, 0.5% serves as a reasonable threshold for significant functional impact, making intentional 'dusting' at non-efficacious levels less common.
The Formula
Formulation
Stability
Optimal performance is indicated within a pH range of 4.5-5.5. Detailed stability information beyond this pH range is not widely available.
Safety
Safety Profile
Generally considered non-irritating, with a low irritancy rating. However, due to its natural content of salicylates, individuals with known salicylate allergies should exercise caution. A patch test is recommended prior to widespread application to ascertain individual skin tolerance, as no specific CIR, SCCS, or FDA safety review has been conducted.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Spiraea Ulmaria Root Extract is a valuable botanical ingredient, offering comprehensive benefits for various skin types, particularly in addressing oiliness, sensitivity, and signs of aging, with a low risk of irritation.
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