ReU’s Booster serum 25 is a high-concentration treatment designed to strengthen your skin’s foundation and reveal lasting beauty. Formulated with 25% of ReU’s proprietary Human Stem Cell Culture Supernatant and enhanced with carefully selected ferments, it works on multiple levels: restoring elasticity, boosting collagen and elastin production, and reinforcing your skin’s barrier against dryness and stress. Its silky texture absorbs smoothly, leaving your skin soft and primed for the next step in your routine. Frozen storage preserves full potency, ensuring every drop delivers uncompromised freshness. Gentle, fragrance-free, and suitable for sensitive skin, it nurtures supple resilience, hydration, and timeless radiance.