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iUNIK built its reputation on minimalist, ingredient-honest formulations at accessible prices. The Propolis Vitamin Synergy Serum combines two popular K-beauty actives: propolis (for barrier support and glow) and vitamin C derivative (for brightening). The positioning is a daily glow-supporting serum that handles both hydration and brightening without requiring two separate products.
50ml at $43 is mid-tier pricing with strong value. iUNIK's formulations are typically clean, transparent, and reasonably effective.
Propolis extract delivers flavonoids and amino acids for barrier support and glow. Vitamin C derivative (likely sodium ascorbyl phosphate or ascorbyl glucoside, gentler than L-ascorbic acid) provides mild brightening. Niacinamide supports tone correction. Over 4 to 6 weeks of daily use, expect improved radiance and subtle brightening.
After cleansing and toner, apply 3 to 4 drops. Pat until absorbed. Follow with moisturizer and SPF. Use AM for optimal vitamin C activity, though PM use is also fine.
They're compatible and complementary. Propolis for glow and barrier, vitamin C for brightening. Stacking them in one product simplifies routine.
Derivatives are gentler but weaker than L-ascorbic acid. For mild brightening over time, effective. For dramatic brightening, higher-concentration L-ascorbic is stronger.
Propolis is bee-derived. Bee-allergic users should avoid. Patch test if you have any history of honey or bee product reactions.
Glow in 2 to 3 weeks. Sustained brightening over 8 to 12 weeks.
Yes. Compatible with hyaluronic acid, retinol (PM only), and peptide serums.
Browse the iUNIK collection for other gentle formulations, or vitamin C products.
Related: Korean serums, brightening.
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