ESTNU BY ESTHER GLUTATHIONE ULTRA GLOW SHOT AMPOULE

1. Whitening Functional Ingredient 'Niacinamide'
- Niacinamide: A type of vitamin B3 that inhibits the activity of tyrosinase (an enzyme involved in melanin synthesis) and prevents melanin from moving to the stratum corneum, helping with whitening and pigmentation reduction.
- Contains 2% functional concentration.
- Definition of whitening functional cosmetics:
  (1) Cosmetics that help whiten the skin by preventing the deposition of melanin pigment, thereby inhibiting the formation of spots and freckles.
  (2) Cosmetics that help whiten the skin by lightening the color of melanin pigments deposited on the skin.

2. Wrinkle Improvement Functional Ingredient 'Adenosine'
- Adenosine: An amino acid-based protein component present in cells that promotes the activity of fibroblasts in the dermis, inducing the synthesis of extracellular matrix and collagen, helping with skin elasticity and wrinkle improvement.
- Contains 0.04% functional concentration.
- Definition of wrinkle improvement functional cosmetics: Cosmetics that help improve or reduce wrinkles by giving the skin elasticity.

3. Glutathione
- Glutathione is a powerful antioxidant biosynthesized within cells by combining three amino acids (glutamic acid, cysteine, and glycine)
 - Inhibits tyrosinase (an enzyme), thereby reducing melanin production
- Converts melanin from Eumelanin (dark color) to Pheomelanin (light color)

4. Thioctic Acid (Alpha-Lipoic Acid)
- An excellent antioxidant effective in improving skin tone
- Promotes the synthesis of glutathione and helps in the reduction of oxidized glutathione

5. Ubiquinone (Coenzyme Q10)
- An antioxidant that helps prevent skin aging
- Aids in the reduction of oxidized alpha-lipoic acid

6. Tocopheryl Acetate (Vitamin E Derivative)
- An antioxidant that helps in collagen production, enhancing skin elasticity
- Fat-soluble vitamin E inhibits the oxidation of water-soluble vitamin C, helping in the reduction of oxidized vitamin C

7. Ascorbic Acid (Vitamin C)
- An antioxidant that protects cells from harmful oxygen species
- Aids in the reduction of oxidized vitamin E

8. Tranexamic Acid
- An ingredient also used in the treatment of melasma, known for its excellent melasma improvement effects by inhibiting melanin production

1. Antioxidant Network Exclusive Ingredient EST-GCA5
- Proprietary ingredient exclusively developed by EST, currently under patent application.
- Prescribed at a total of 1% as the EST-GCA5 complex ingredient.
- Composite ingredients:
  (1) Glutathione (USA, 99.3% purity)
  (2) Thioctic Acid (India, 99% purity)
  (3) Ubiquinone (98% purity)
  (4) Tocopheryl Acetate (Germany, 96% purity)
  (5) Ascorbic Acid (UK, 99% purity)
- In-vitro tests completed for antioxidant efficacy (DPPH radical scavenging activity) using EST-GCA5 ingredients.
- Enhanced absorption through LNP (nano liposome) technology.

2. First in Korea to Import the Highest Purity Glutathione from AMF Pharma
- Origin: USA, Purity: 99.3%
- Highest purity glutathione handled by AMF Pharma, first import of over 99% purity glutathione in Korea.

3. High-Concentration Ingredients for Whitening and Melasma Improvement
- Niacinamide 5%, the maximum functional concentration.
 - Tranexamic Acid 3%.

4. Ingredients for Dewy and Elastic Skin
- Five patented ingredients derived from Centella Asiatica, Houttuynia Cordata, Peony, Tomato, and Camellia.
- Mucin from snail secretion filtrate, hydrolyzed collagen, and SH-Oligopeptide-1 (EGF).

5. High-Function Whitening Ampoule Suitable for Sensitive Skin
- Prescribed with 0.5% Panthenol for soothing and moisturizing.
- Tested and confirmed suitable for use on sensitive skin.
- Can be used both morning and evening.

6. Long-Lasting Moisture with a Creamy Texture
- Provides a long-lasting, moist, and radiant skin feel without the dryness typical of conventional whitening products.
- Clinically proven to improve moisture density and enhance hydration up to 20 layers of the stratum corneum with a single use.

7. Free from Artificial Fragrances and Artificial Colorants

8. Clinical Testing
- Completed a total of 25 human application tests (including one clinical test combining ampoule and mist usage).
- Detailed clinical items and result figures provided in a separate file.

Those who are concerned about having a dark skin tone.

Those who have been worried about freckles, blemishes, and pigmentation.

Those who have sensitive skin and find it difficult to use sheet masks.

Those seeking a moisturizing whitening mask pack.

Those with dull and dry skin.

Those who desire a bright and radiant complexion.