Dr. Althea Gentle 20% Vitamin C Serum 30ml | Brightening Serum for Dark Spots & Glowing Skin
Dr. Althea Gentle 20% Vitamin C Serum 30ml is a lightweight brightening serum formulated with 20% Sea Buckthorn Water, 3-O-Ethyl Ascorbic Acid, Niacinamide, Green Tea Water, and Allantoin to fade dark spots, even skin tone, hydrate, and soothe sensitive skin.
Dr. Althea Gentle 20% Vitamin C Serum 30ml
Reveal brighter, healthier-looking skin with Dr. Althea Gentle 20% Vitamin C Serum 30ml, a lightweight Korean brightening serum specially developed for dull, uneven, and sensitive skin. Instead of using harsh pure L-Ascorbic Acid, this formula combines 20% Sea Buckthorn (Hippophae Rhamnoides) Fruit Water with 3-O-Ethyl Ascorbic Acid, a stable Vitamin C derivative, to visibly brighten the complexion while minimizing irritation.
Enriched with Niacinamide, Camellia Sinensis (Green Tea) Leaf Water, Allantoin, Tea Tree Extract, and Bifida Ferment Filtrate, it helps reduce dark spots, improve uneven skin tone, soothe redness, and strengthen the skin barrier. Its watery, fast-absorbing texture leaves the skin fresh, hydrated, and radiant without any sticky residue.
Key Benefits
- Brightens dull and tired-looking skin.
- Helps fade dark spots and acne marks.
- Improves uneven skin tone.
- Contains a stable Vitamin C derivative for gentle brightening.
- Helps reduce post-acne pigmentation.
- Hydrates without feeling sticky.
- Soothes sensitive skin with Green Tea Water and Allantoin.
- Supports the skin barrier with Niacinamide and Bifida Ferment.
- Lightweight, fast-absorbing formula.
- Vegan and free from artificial colors and fragrance.
Suitable For
- Dull skin
- Uneven skin tone
- Hyperpigmentation
- Acne marks
- Sensitive skin
- Combination skin
- Oily skin
- Normal skin
How to Use
- Cleanse and tone your skin.
- Apply 2–3 drops to the face.
- Gently pat until fully absorbed.
- Follow with moisturizer.
- Apply sunscreen every morning while using Vitamin C products.
- Use morning and/or evening as part of your skincare routine.
Key Ingredients
- 20% Sea Buckthorn (Hippophae Rhamnoides) Fruit Water – Naturally rich in antioxidants to brighten and nourish skin.
- 3-O-Ethyl Ascorbic Acid – Stable Vitamin C derivative that helps reduce pigmentation.
- Niacinamide – Brightens skin and strengthens the moisture barrier.
- Camellia Sinensis (Green Tea) Leaf Water – Calms and protects sensitive skin.
- Allantoin – Soothes irritation and supports skin repair.
- Tea Tree Leaf Extract – Helps comfort blemish-prone skin.
- Bifida Ferment Filtrate – Supports a healthier skin barrier.
Why Choose Dr. Althea Gentle 20% Vitamin C Serum?
Unlike many high-strength Vitamin C serums that may irritate sensitive skin, Dr. Althea uses a gentle Vitamin C system featuring Sea Buckthorn Water and a stable Vitamin C derivative. This allows effective brightening while maintaining comfort, making it suitable even for beginners and sensitive skin types.

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