ONE THING Niacinamide Glutathione Serum 50ml

A brightening serum that pairs high-concentration niacinamide with glutathione to visibly even skin tone, smooth texture, and boost radiance.

Texture: Lightweight, fast-absorbing serum

Finish: Smooth and luminous

Hydration: Delivers lasting moisture for a plump, balanced feel

Target: Uneven tone, dullness, dark spots, and rough texture

Proof: EWG Green Grade ingredients, dermatologist irritation-tested, alcohol-free, and vegan

Best for: All skin types, including sensitive skin

Key Ingredients

• Niacinamide (50,000 ppm) — helps visibly brighten skin tone and supports a smoother, more refined complexion
• Glutathione — an antioxidant known to help reduce the appearance of discoloration for a more luminous look
• 3-O-Ethyl Ascorbic Acid — a stable vitamin C derivative that helps fade dark spots and supports overall radiance
• Sodium Ascorbyl Phosphate — a gentle, water-soluble vitamin C form that helps even skin tone and provides antioxidant protection
• Adenosine — helps improve the appearance of fine lines and supports skin firmness

How to Use

After cleansing and toning, dispense an appropriate amount onto fingertips or a cotton pad. Apply evenly across the face and gently pat the skin to encourage full absorption.

Full Ingredients

Purified Water, Propanediol, Butylene Glycol, Glycerin, Niacinamide (50,000 ppm), Methylpropanediol, Methyl Gluceth-20, 1,2-Hexanediol, Hydroxyacetophenone, Trehalose, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Glycereth-25 PCAI Isostearate, Tromethamine, Ethylhexylglycerin, Coptis Mimosa Root Extract, Adenosine, Citrus Fruit Peel Extract, Trisodium Ethylenediamine Disuccinate, Glutathione (100 ppm), 3-O-Ethyl Ascorbic Acid, Ascorbic Acid, Tea Tree Leaf Extract, Sodium Ascorbyl Phosphate, Tocopheryl Acetate, Linoleic Acid, Oleic Acid, Palmitic Acid, Stearic Acid, Linolenic Acid, Tocopherol