Science
Mechanism of Action
This extract exerts its effects primarily through powerful antioxidant protection, neutralizing free radicals to minimize oxidative stress and reduce the appearance of maturing skin. It enhances skin hydration and strengthens the natural barrier by aiding moisture retention. Its anti-inflammatory properties mitigate irritation and redness by suppressing pro-inflammatory mediators such as IL-6 and TNF-alpha. Furthermore, its Vitamin C content contributes to a brighter complexion, while a synergistic blend of antioxidant polyphenols, Vitamin A, manganese, and zinc supports collagen production, promotes skin regeneration, and improves skin suppleness. It may also promote microcirculation.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 A 5% concentration of an Egyptian sweet potato variety has been shown to improve skin thickness and restore collagen in human studies.
- 02 In vitro investigations demonstrate concentration-dependent inhibition of IL-6, a pro-inflammatory cytokine, with a notable 73% reduction at 100 µg/mL.
- 03 An in vitro study at 500 µg/mL displayed 76.92% inhibition of heat-induced albumin denaturation, confirming significant anti-inflammatory activity.
- 04 At concentrations ranging from 5-50 µg/mL, the extract provided cellular protective effects against singlet oxygen-induced damage, underscoring its potential as an anti-aging cosmeceutical.
- 05 Non-quantified clinical observations also indicate significant improvement in skin color around the eyes, reducing visible signs of fatigue and stress.
Transparency
Dusting Analysis
Given its diverse and robust biological activities, including antioxidant, anti-inflammatory, and collagen-supportive effects, Ipomoea Batatas Extract is typically incorporated into formulations as an active ingredient, not merely for label claims.
The Formula
Formulation
Stability
Polyphenols, integral to the extract's efficacy, are inherently unstable when exposed to air and fluctuating pH levels. Anthocyanins, particularly prominent in purple sweet potato varieties, are sensitive to pH, light, and temperature; however, acylation can enhance their stability. Optimal pH for the stability and high retention of polyphenols from sweet potato leaves is between 5 and 7, while anthocyanins typically exhibit maximal stability and a red color in more acidic conditions (pH 1-3).
Safety
Safety Profile
Ipomoea Batatas Extract is classified by the FDA as a cosmetic ingredient for skin conditioning. It is generally considered non-irritating. However, a specific patch test involving older purple sweet potato leaf extract (Antin-3 variety) at 1000 ppm and 5000 ppm indicated slight irritation and weak allergic reactions, possibly attributed to varying phytochemical compounds like saponins; young leaf extracts did not exhibit this. The EWG lists general concerns such as Cancer, Allergies & Immunotoxicity, and Developmental and Reproductive Toxicity as 'LOW'.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Ipomoea Batatas Extract is a valuable, multifaceted ingredient that effectively hydrates, soothes, protects against oxidative stress, and offers potential benefits in collagen synthesis and skin brightening, making it suitable for a wide range of skin types and concerns.
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