Science
Mechanism of Action
This peptide is understood to operate by stimulating the Nrf2-dependent antioxidant pathway, activating critical cell-protecting enzymes such as NQO1, HMOX1, and PRDX1. This action enhances the skin's resilience against oxidative stress, contributing to improved skin texture and supporting collagen synthesis.
Research
Clinical Evidence
Low confidence0.014%
Key findings
- 01 Studies on a related amorphous heptapeptide (Perfection Peptide P7 / DEETGEF) delivered via solid lipid nanoparticles demonstrated significant, dose-dependent protection against UV irradiation in skin explants. A subsequent clinical suction blister study confirmed a statistically significant 20% reduction in DNA damage compared to placebo after UVA light exposure. These effects were linked to the stimulation of NQO1, HMOX1, and PRDX1 genes, which encode cell-protecting enzymes.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Peptides generally benefit from pH optimization and specific buffer types for enhanced stability in aqueous solutions. Advanced delivery systems like nano-systems (e.g., liposomes, niosomes, ethosomes, nanoemulsions) are often employed to improve both permeability and stability.
Safety
Safety Profile
No specific safety assessments for HEPTAPEPTIDE-21 from CIR, SCCS, or FDA were identified in the provided research.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While related heptapeptides show promising efficacy in UV protection and antioxidant activity, specific clinical data for HEPTAPEPTIDE-21 itself is currently insufficient to provide a conclusive rating.
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