Science
Mechanism of Action
This ingredient operates by leveraging the activity of SH-Polypeptide-9, an analog of Vascular Endothelial Growth Factor (VEGF). Its core mechanism is the stimulation of angiogenesis, promoting the formation of new capillaries. This process optimizes the delivery of nutrients and oxygen to dermal cells, which in turn supports fibroblast function, encourages cell proliferation and migration, and accelerates wound healing. These actions collectively contribute to revitalizing the skin, strengthening its intrinsic structure, and reinforcing the skin's natural barrier.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Conflicts
- Should be avoided by individuals with psoriasis, sunburn, or those who have recently experienced high doses of UV radiation. The pro-angiogenic activity of SH-Polypeptide-9 (VEGFA) can exacerbate conditions like psoriasis and is not recommended for UV-damaged skin.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not specifically assessed PABA SH-PENTAPEPTIDE-9. However, the peptide component, SH-Polypeptide-9, is rated with low concern by EWG for cancer, allergies, immunotoxicity, and developmental/reproductive toxicity. PABA (para-aminobenzoic acid) is generally considered a non-toxic molecule. Despite low general concern, specific contraindications exist for individuals with certain skin conditions due to its mechanism of action.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PABA SH-PENTAPEPTIDE-9 offers a compelling mechanism for skin renewal and strengthening via angiogenesis, with low reported irritancy, but specific clinical efficacy data and optimal usage concentrations are not detailed in the available research, warranting further investigation for precision application.
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