Science
Mechanism of Action
This tuber extract functions primarily by neutralizing free radicals with its potent antioxidant complex of polyphenols, vitamins A, C, and E, thereby mitigating the visible signs of skin maturation. Its inherent calming compounds work to reduce inflammation and redness, while highly effective hydrating elements attract and lock in moisture, strengthening the skin's natural barrier. The vitamin C content additionally contributes to brightening the complexion and minimizing hyperpigmentation, promoting a more uniform skin tone. At elevated concentrations, the extract has been shown to improve skin thickness and support collagen restoration.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Demonstrated improved skin thickness and restored collagen.
- 02 Resulted in a significant 31% inhibition of IL-6 production, an inflammatory marker. At 100 µg/mL, inhibition increased to 73%.
- 03 Enhanced the viability of both HaCaT and fibroblast skin cells by over 30%.
Transparency
Dusting Analysis
The provided research data does not contain specific information regarding the dusting potential or thresholds for Ipomoea Batatas Tuber extract.
The Formula
Formulation
Stability
Polyphenols, critical for the extract's antioxidant activity, are inherently sensitive to environmental factors such as air exposure and pH fluctuations. Encapsulation techniques, like using chitosan nanoparticles, can effectively protect these metabolites and enhance their activity. While a sweet potato tuber enzyme showed optimal activity between pH 6.0-7.5, this specifically relates to enzyme stability, not necessarily the overall stability of all beneficial cosmetic compounds within the extract in a finished formulation. Products containing sweet potato extract have been noted at lower pH ranges (e.g., 3.43-4.27).
Safety
Safety Profile
SkinSAFE categorizes 'Ipomoea Batatas Extract' as 'SkinSAFE 100 Free,' indicating it is free from common allergens, irritants, dyes, and SLS. Although the CIR has not specifically reviewed the tuber extract, general data supports a low irritancy profile. It is important to note that a patch test on an ethanolic extract of sweet potato *leaves* (a different plant part) did show irritation in a small number of subjects, suggesting compositional differences can impact irritancy; however, this does not directly pertain to the tuber extract.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Ipomoea Batatas Tuber is a valuable botanical extract, offering significant antioxidant, soothing, and hydrating benefits, supported by studies showing improved skin thickness and collagen restoration for a healthier, more resilient complexion.
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