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Galactomyces is a fermented yeast extract that rose to fame as the hero ingredient in SK-II's Facial Treatment Essence. It's been one of Korean skincare's most consistent brightening and skin-texture-improving ingredients for 20+ years. iUNIK's Rose Galactomyces Synergy Serum is the brand's accessible take on that category: a serum pairing galactomyces ferment filtrate with rose extract for layered brightening and soothing, at 50ml for $47.89.
The SK-II Facial Treatment Essence is $200+ for 230ml. iUNIK's serum delivers similar galactomyces-forward skincare at a fraction of the price per ml. Obviously, there are differences: SK-II uses the brand's proprietary Pitera ferment, and the formulation quality and luxury packaging are unmatched. But for users who want the core benefits of galactomyces without the luxury markup, iUNIK performs well.
Galactomyces ferment filtrate (a yeast-derived extract) provides amino acids, peptides, and vitamins that improve skin texture, brightness, and pore appearance over weeks of daily use. Rose extract adds antioxidant support and a mild soothing effect. The serum texture is slightly viscous (common for galactomyces formulations) and absorbs within 30 to 60 seconds.
After cleansing and toner, dispense 3 to 4 drops into palms, press across face. Pat until absorbed. Follow with moisturizer. Use AM and PM daily.
Different formulations, different ingredient fermentations, very different prices. SK-II uses proprietary Pitera, comes in larger volume at much higher price. iUNIK uses galactomyces ferment filtrate. For luxury experience and proprietary formula, SK-II. For accessible galactomyces at budget, iUNIK.
Yes, gradually. 4 to 8 weeks of daily use delivers visible improvement in tone and radiance. Not a spot-lightening product; it's all-over tone improvement.
Subtly, yes. Most users find it pleasant; if you dislike rose scents, try a different galactomyces product.
Yes. Apply galactomyces first (thinner serum), let absorb, then vitamin C. Or alternate AM and PM.
2 to 3 months with twice-daily use.
Browse the iUNIK collection or Korean serums.
Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
US$40
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