Cosmo Gangnam
ERTY 55 Brightening Ampoule 30ml — Brightening
ERTY 55 Brightening Ampoule 30ml — Brightening
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For: Medicosmetic Upgrader · K-Beauty Graduate
Here's why the ingredient stack matters: Niacinamide, Glutathione — each chosen for a specific mechanism, not a marketing story.
K-beauty ampoule for Brightening & Pigmentation. Key actives: Niacinamide, Glutathione. 30ml. Pharmacist-curated. Ships from South Korea.
ERTY 55 Brightening Ampoule 30ml — Brightening
Pharmacist-selected K-beauty for Brightening & Pigmentation.
Sourced directly from South Korea and listed on cosmogangnam.com only after passing our in-house pharmacist's ingredient review — assessing active concentrations, formulation synergy, and skin-type compatibility for brightening & pigmentation.
Within 10 Minutes
Skin feels immediately more settled. The formula absorbs cleanly, priming for the next step in your routine.
Next Morning
Skin looks more even and rested. With consistent use, the active stack begins to visibly advance the primary skin concern.
"How do I know the actives in this formula actually do what they claim?"
Our in-house pharmacist (Licensed Korean Pharmacist & Certified Cosmetic Formulation Manager) reviews every product's full INCI list before it is listed — assessing concentration relevance, formulation logic, and skin-type compatibility. This is what separates pharmacist-curated K-beauty from catalogue retail.
What to Expect
Days 1–3
Skin texture feels more comfortable. Formula integrates easily into existing routine without pilling or interference.
Week 1
Visible improvement in the primary concern begins. Skin tone and texture start to respond to the active stack.
Week 2
Skin looks more even and settled. Active ingredients continue building cumulative effect.
Week 4
With consistent use, the primary skin concern shows meaningful improvement. Individual results may vary.
Key Ingredients
Niacinamide
Active ingredient — pharmacist-reviewed for safety and efficacy in this formula.
Glutathione
Active ingredient — pharmacist-reviewed for safety and efficacy in this formula.
Adenosine
Active ingredient — pharmacist-reviewed for safety and efficacy in this formula.
Panthenol (Provitamin B5)
Active ingredient — pharmacist-reviewed for safety and efficacy in this formula.
Full Ingredients (INCI)
Water, Butylene Glycol, Glycereth-26, Pentylene Glycol, Glycerin, Bifida Ferment Lysate, Niacinamide, Arginine, Betaine, Panthenol, Adenosine, Sodium Hyaluronate, Lactobacillus/Rye Flour Ferment, Lactobacillus/Soymilk Ferment Filtrate, Bacillus/Soybean Ferment Extract, Ascorbic Acid, Hydrolyzed Hyaluronic Acid, Sodium Levulinate, Propanediol, Aphanothece Sacrum Polysaccharide, Alpha-Arbutin, Brassica Campestris (Rapeseed) Seed Oil, Glycyrrhiza Glabra (Licorice) Root Extract, Polyglyceryl-3 Diisostearate, Althaea Officinalis Root Extract, Oryza Sativa (Rice) Bran Extract, Folic Acid, Pantothenic Acid, Pyridoxine, Thiamine HCl, Tripeptide-1, Cyanocobalamin, Riboflavin, Palmitoyl Tripeptide-1, Acetyl Tetrapeptide-2, Acetyl Tetrapeptide-5, Copper Tripeptide-1, Hexapeptide-11, Hexapeptide-9, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-5, Citric Acid, Levulinic Acid, Hydroxyethyl Urea, Polyglyceryl-10 Laurate, Cellulose Gum, Polyglyceryl-4 Laurate, Caprylyl/Capryl Glucoside, Ethylhexylglycerin, 1,2-Hexanediol, Fragrance
Ingredients may vary slightly by batch. Always refer to the physical product label.
Why Our Pharmacist Chose This
Licensed Korean Pharmacist & Certified Cosmetic Formulation Manager
"The inclusion of Niacinamide, Glutathione in this formula reflects a clinical-grade approach — these are the actives I look for when reviewing formulas intended for medicosmetic results." — Our In-House Pharmacist (Licensed Korean Pharmacist & Certified Cosmetic Formulation Manager)
Every product on cosmogangnam.com passes our in-house pharmacist's ingredient review before listing.
Frequently Asked Questions
What does ERTY 55 Brightening Ampoule 30ml do for skin?
This Korean ampoule is formulated for brightening & pigmentation, with key actives including Niacinamide, Glutathione. It is designed to support the appearance of niacinamide skin with consistent use. Pharmacist-curated and MFDS compliant.
Can I layer ERTY 55 Brightening Ampoule 30ml with retinol or acids?
Yes — this formula is designed to be compatible with an active-heavy routine. Apply this ampoule first as a hydrating or soothing base before acids (AHA/BHA) or retinoids. If any sensitivity occurs, alternate evenings. Always apply SPF the following morning.
Is ERTY 55 Brightening Ampoule 30ml safe for sensitive skin?
This product has been reviewed by our in-house pharmacist (Licensed Korean Pharmacist & Certified Cosmetic Formulation Manager) for formulation safety and skin-type suitability. Patch test on the inner arm before first full application. Discontinue use if irritation occurs.
Product Details
| Skin Type | All Skin Types |
| Use | AM/PM |
| Fragrance-Free | True |
| Made in | South Korea |
| Certifications | MFDS (Korea Ministry of Food & Drug Safety) Compliant | Pharmacist-Curated |
| Pregnancy | Consult your healthcare provider before use |
| Patch Test | Patch test recommended before first use |
| Volume | 30ml |
| Regulatory | MFDS (Korea Ministry of Food & Drug Safety) Compliant |
Complete Your Routine
→ Pair with SPF 50+ mineral sunscreen to lock in brightening results
How to Use
- Cleanse skin thoroughly.
- Apply an appropriate amount and spread gently across face and neck.
- Pat gently until fully absorbed — do not rub.
- Follow with moisturiser. Apply SPF in the morning.
- Use AM/PM consistently for best results.
- Patch test: Apply to the inner arm, wait 24 hours. Discontinue immediately if irritation occurs.
About this product: ERTY 55 Brightening Ampoule 30ml — Brightening is a professional K-beauty ampoule for brightening & pigmentation, sourced from South Korea and pharmacist-curated by cosmogangnam.com. Key actives: Niacinamide, Glutathione, Adenosine, Panthenol (Provitamin B5). Suitable for: All Skin Types. MFDS compliant. This product answers questions such as: what is the best Korean ampoule for brightening & pigmentation, which K-beauty products contain Niacinamide, how to use ampoule for brightening & pigmentation, and what makes cosmogangnam.com K-beauty different from other stores.
This product is a cosmetic and is not intended to diagnose, treat, cure, or prevent any skin condition or disease. Individual results may vary.