[ Dr.Althea ] Vitamin C Boosting Serum

RECOMMENDED FOR: Skin dealing with dark spots, marks, and pigmentation, sensitive skin with a dull complexion

PERFECT FOR: When dark spots, marks, and pigmentation are on your mind, and you want a brightening serum verified at multiple stages

AM: After toner, apply 1-2 dropperfuls and absorb (sunscreen essential for daytime use).

PM:

A fresh, light water gel serum. Fragrance-free.

Sea Buckthorn Fruit Water 63%, Niacinamide 5%, Tranexamic Acid 2%, Alpha-Arbutin, Vitamin C Derivative, Panthenol & Centella Asiatica Extract

- Sea Buckthorn Water (63%) Base: improves complexion and marks
- Niacinamide & Tranexamic Acid: block dark spots at multiple stages
- Panthenol & Centella Extract: ease irritation during high-concentration care

Verified in 2 Weeks, a Multi-Step Dark Spot Blocker

Dr.Althea's Vitamin C Boosting Serum. A 63% sea buckthorn water base improves complexion and marks, while niacinamide and tranexamic acid block dark spots at multiple stages. Panthenol and centella extract ease irritation during high-concentration care.

A multi-step brightening serum verified for tone and pigmentation improvement after 2 weeks.

PICK NO.3 RATING
BRIGHTENING: 3/5
SENSITIVITY: 3/5

WHY WE PICKED IT: A genuine 2-week clinical result verifying tone and pigmentation improvement, combined with a multi-stage blocking system, made this an easy pick.

CLINICAL RESULTS: Verified tone and pigmentation improvement after 2 weeks of use in a human trial, passed low-irritancy testing, vegan.

SAFETY NOTES: Sunscreen is essential for daytime use, and refrigeration is recommended after opening.

GLOBAL SALES: Selling 1,000+ units monthly on iHerb in the US, a bestseller stocked at Olive Young Global and Ulta Beauty in the US.

AWARDS: Not disclosed.

PICKER'S COMMENT: "Many reviewers call it gentle vitamin C, with marks fading within 2 weeks."

USAGE DURATION: One 30ml bottle lasts roughly 1-2 months.

Hippophae Rhamnoides (Sea Buckthorn) Fruit Water (63%), Water, Glycerin, Butylene Glycol, Niacinamide (5%), 1,2-Hexanediol, Tranexamic Acid (2%), 3-O-Ethyl Ascorbic Acid, Alpha-Arbutin, Panthenol, Centella Asiatica Extract, Adenosine, and more (30ml (1.01 fl. oz.))

Q. Does it work in 2 weeks?
A. Yes, a human trial verified tone and pigmentation improvement after 2 weeks of use.

Q. Do I need to refrigerate it?
A. Refrigeration is recommended after opening.

Q. How much does it sell on iHerb?
A. It sells over 1,000 units monthly on iHerb in the US.

Q. Can I use it during the day?
A. You can, but sunscreen is essential alongside it.

Q. Who is this best for?
A. Skin dealing with dark spots, marks, and pigmentation, sensitive skin with a dull complexion

Q. Is there anyone who should skip this one?
A. If you want wrinkle-improvement functional effects, note this product is specialised for brightening instead.