GenOptics Ultraura Essence Serum
What it's good for
Key actives from our research database. Click any to read the full evidence dossier.
SK-II's signature ingredient, a specific yeast filtrate that improves clarity and texture over time.
Good for: Brightening, Hydrating
A multitasker that calms redness, evens out skin tone, and helps oily skin balance out. One of the safest do-a-little-of-everything ingredients.
Good for: Brightening, Barrier repair, Anti-inflammatory
Evidence behind the ingredients
Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.
SK-II's signature ingredient, a specific yeast filtrate that improves clarity and texture over time.
Miyamoto K et al., Significant Reversal of Facial Wrinkle, Pigmented Spot and Roughness by Daily Application of Galactomyces Ferment Filtrate-Containing Skin Products for 12 Months—An 11-Year Longitudinal Skin Aging Rejuvenation Study, Journal of Clinical Medicine 2023;12(3):1168 — Pitera is SK-II's commercial name for GFF; this 11-year longitudinal study directly evaluates the same active
Nakajima H et al., Transcriptomic Analysis of Human Keratinocytes Treated with Galactomyces Ferment Filtrate, a Beneficial Cosmetic Ingredient, Journal of Clinical Medicine 2022;11(16):4645 — GFF activates AhR/NRF2 antioxidant pathways while suppressing inflammatory transcripts
Anwar AI et al., The effectiveness of Galactomyces ferment filtrate, dexpanthenol, and Centella asiatica combination serum in the treatment of post-acne hyperpigmentation in subjects with skin of color, Skinmed 2021;19(2):110-115 — Pitera is SK-II's commercial name for Galactomyces ferment filtrate; trial covers the same active
A multitasker that calms redness, evens out skin tone, and helps oily skin balance out. One of the safest do-a-little-of-everything ingredients.
Moro F et al., Skin Cancer Prevention and Antiaging: Role of Nicotinamide, International Journal of Molecular Sciences 2026
Passeron T et al., An Investigator-Blinded, Randomized Trial of a Broad-Spectrum Sunscreen Containing Sclareolide and Niacinamide, Dermatology and Therapy (Heidelberg) 2026
Vergilio MM et al., Topical Formulation with Niacinamide Combined with 5 MHz Ultrasound for Improving Skin Ageing, Current Medicinal Chemistry 2025
Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.
Full ingredient list
Everything on the package label, not just the tracked actives above.
- Contains fragrance: Benzyl Alcohol, Parfum/Fragrance, Limonene, CitronellolWorth knowing if you have sensitive or reactive skin.
- Contains parabens: MethylparabenNo irritancy evidence. CIR rates this safe as used; some shoppers avoid it by preference.
- Contains silicones: Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, MethiconeNo irritancy evidence. CIR rates this safe as used; some shoppers avoid it by preference.
+−Show all 40 ingredients
Listed in the order printed on the package. By regulation, ingredients at 1% or higher are listed in descending order by concentration, so the first entry is the largest part of the formula.
- Aqua/Water/Eau
- Galactomyces Ferment Filtrate
- Butylene Glycol
- Niacinamide
- Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer
- Glycerin
- Triethylhexanoin
- Pentylene Glycol
- Phytosteryl/Octyldodecyl Lauroyl Glutamate
- PEG-32
- Boron Nitride
- Sucrose Laurate
- Xylitol
- Panthenol
- Caprylic/Capric Triglyceride
- Sucrose Dilaurate
- Inositol
- Acrylates/C10-30 Alkyl Acrylate Crosspolymer
- Polysorbate 20
- Phenoxyethanol
- Polyacrylamide
- Mica
- Aminomethyl Propanol
- Undecylenoyl Phenylalanine
- Benzyl Alcohol
- C13-14 Isoparaffin
- Disodium EDTA
- Xanthan Gum
- Sodium Benzoate
- Laureth-7
- Methylparaben
- Ascorbyl Glucoside
- Nelumbo Nucifera Flower Extract
- Tocopherol
- Methicone
- Parfum/Fragrance
- Limonene
- Citronellol
- Ci 77891/Titanium Dioxide
- Ci 77492/Iron Oxides
Similar comparisons
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