Brand Comparison
BIOEFFECT vs Rejuran
A head-to-head comparison of two popular K-beauty brands. Which one is right for your skin?
Our Pick
BIOEFFECT
Higher editor rating (8.9 vs 8.7)
BIOEFFECT
BIOEFFECT built its entire identity around one ingredient: EGF (epidermal growth factor), grown in barley via GMO-free plant biotechnology in Icelandic greenhouses powered by geothermal energy. The EGF Serum is the original flagship and remains the gold-standard topical EGF product. Pricing is premium; the science is real.
Pros
- ✓ Genuine EGF pioneer
- ✓ Proprietary plant-based bioengineering
- ✓ Strong mature-skin results
Cons
- ✗ Premium pricing
- ✗ Dropper packaging is wasteful
- ✗ Limited range
Rejuran
Rejuran is the consumer-skincare arm of Pharma Research Products, the Korean biopharma company that developed the original Rejuran Healer injectable — the same PDRN (polydeoxyribonucleotide) dermal treatment that's been a staple of Korean aesthetic clinics since 2014. The topical line translates that clinical DNA into daily-use products, anchored by the patented c-PDRN® complex at 0.5% concentration plus proprietary DOT® (Dermal Optimizing Technology) delivery. The Turnover Ampoule is the hero: a lightweight serum that targets fine lines, firmness, and texture with the same salmon-DNA active that made the injectable famous. Rejuran launched at Sephora US in 2024, won the 2025 Olive Young Slow Aging award, and has become the face of the PDRN trend that's dominating K-beauty in 2025–2026. The price point is premium-mid ($45–55), justified by the clinical pedigree and patented delivery system. Worth reaching for if you want the PDRN trend from the company that actually invented it.
Pros
- ✓ invented the PDRN category — the original, not a copycat
- ✓ patented c-PDRN® and DOT® delivery backed by published clinical data
