This is a summary of research papers and studies
from the National Center for Biotechnology Information (NCBI)
ABOUT POMEGRANATE ENZYME
Pomegranate, botanically known as Punica granatum, is one of the oldest known edible fruits and has been utilized since ancient times for therapeutic and medicinal purposes. Traditionally regarded as a “healing food,” various cultures have viewed pomegranate seeds as symbols of longevity and immortality. In the modern skincare industry, one of the most significant developments is Modified Pomegranate Enzyme, a multifunctional active ingredient designed to enhance skin moisturization, barrier function, and cellular renewal.
Properties
The primary clinical form of this ingredient is Lactobacillus/Punica Granatum Fruit Ferment Extract. This specialized extract is created through the fermentation of pomegranate fruit with Lactobacillus, which helps to isolate and enhance specific bioactives.
Pomegranates are naturally rich in proteases, which are enzymes that specifically digest and break down proteins. When these proteolytic complexes are applied topically, they target the large, accumulated proteins that reside on the surface of the skin, scalp, and hair strands. Because the enzyme is derived through botanical fermentation, it offers a biocompatible alternative to synthetic chemicals.
Function
The function of pomegranate enzyme revolves around exfoliation and accelerated turnover. While traditional chemical exfoliants, such as alpha-hydroxy acids (AHAs), work by lowering the skin's pH to dissolve the cellular "glue" between skin cells, pomegranate enzyme functions through enzymatic digestion.
The proteases in the ferment digest impurities and dead skin cells (corneocytes) that can accumulate on the outermost layer of the skin. This accumulation is a primary contributor to tactile roughness and a sallow complexion. By breaking down these surface proteins, the enzyme clears away product build-up and environmental debris. This process not only smooths the skin but also signals the skin to more rapidly produce new, healthy cells, leading to a more youthful appearance.
Benefits for Skin
The benefits of pomegranate enzyme have been validated through significant efficacy studies, showcasing its superiority over some traditional chemical exfoliants.
Enhanced Cellular Renewal and Pigmentation Reduction
Clinical cellular renewal studies have assessed the ability of the enzyme to accelerate skin cell replacement by tracking changes in pigmentation. In these trials, a 5% concentration of Modified Pomegranate Enzyme PF was found to outperform 5% glycolic acid by 6% in terms of cellular regeneration. Additionally, the enzyme was shown to reduce skin pigmentation by 14% compared to baseline readings. This makes it a highly effective treatment for dullness, sallow skin, and hyperpigmentation caused by sun damage or scarring.
Intensive Moisturization
Unlike many exfoliating agents that tend to dry out the skin, pomegranate enzyme is multifunctional and provides a significant boost in hydration. In a 24-hour moisturization assay, a 2% concentration of the enzyme increased skin moisture levels by 48.25% from baseline readings. This hydration occurs almost immediately upon application and persists over a 24-hour period, helping to nourish and rejuvenate the complexion.
Barrier Function and TEWL Reduction
Maintaining the integrity of the skin barrier is essential for overall dermal health. Modified pomegranate enzyme has been shown to enhance the skin’s ability to retain moisture by reducing Transepidermal Water Loss (TEWL). Clinical results indicate that a 2% concentration of the enzyme reduced TEWL by 12.13% after 24 hours. By strengthening the barrier, the enzyme helps the skin protect itself from environmental invaders like bacteria and viruses, as the skin does not need to "re-calibrate" after washing.
Anti-Aging and Wrinkle Reduction
The enzyme's exfoliating and hydrating properties are supported ellagic acid, punicic acid, and punicalagins. These compounds provide antioxidant and collagen-supporting actions. Studies on pomegranate extracts have shown significant reductions in the severity of crow’s feet wrinkles, forehead fine lines, and tactile roughness.
Specifically, pomegranate bioactives support type I collagen by inhibiting collagenase activity and matrix metalloproteinases (MMPs), which are responsible for breaking down skin structure.
Safety
The safety of pomegranate-derived ingredients has been extensively reviewed by the Cosmetic Ingredient Review (CIR) and other regulatory bodies. Most pomegranate ingredients are Generally Recognized as Safe (GRAS) for food use, and their topical application in cosmetics has shown an excellent safety profile.
In human patch tests, pomegranate extracts used at concentrations up to 30% were found to be non-irritating and non-sensitizing. Furthermore, enzyme ferments are often formulated to be vegan, phthalate-free, and gluten-free, making them suitable for sensitive individuals, including those who are pregnant or have compromised immune systems.
Conclusion
Modified Pomegranate Enzyme represents a sophisticated advancement in botanical skincare science. By harnessing the fruit's natural proteolytic enzymes through fermentation, skincare formulators can deliver a powerful, dual-action treatment that exfoliates and hydrates simultaneously. With a proven 14% reduction in pigmentation and a 48% increase in moisture, it offers a clinical-grade alternative to harsh acids, providing a path to a more radiant, resilient, and youthful complexion. Whether used in professional-grade washes or leave-on moisturizers, pomegranate enzyme stands as a premier ingredient for modern dermatology.