ProtoClinical k-beauty Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml lavender serum bottle with matching box side by side on a white background
ProtoClinical k-beauty Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml lavender serum bottle with matching box side by side on a white background
ProtoClinical k-beauty Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml single lavender serum bottle centered on a white background
ProtoClinical k-beauty Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml single lavender serum bottle centered on a white background
Cos De BAHA

Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml

$11.79
Helps fade dark spots Improves uneven tone clarity Brightens dull-looking skin Adds hydration while correcting Feels gentle on sensitive skin
Packed with 5% niacinamide and 5% arbutin, this brightening serum helps revive dull, tired or aging skin by evening out skin tone and fading hyperpigmentation and age spots. Hyaluronic acid in formula provides an extra hydrating boost. Suitable for sensitive skin. This AN Arbutin Niacinamide Serum comes with...
A tone-correcting serum for dark spots, age marks, and dull, uneven skin.
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alpha arbutin niacinamide hyaluronic acid
Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml
Cos De BAHA AN Arbutin 5% Serum with Niacinamide 5% 30ml Default Title
$11.79
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
Pairs beautifully with

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$11.79

alpha arbutin, niacinamide, and hyaluronic acid

Arbutin is used in cosmetics to help limit the formation of excess visible pigment, while niacinamide helps reduce pigment transfer to surface cells and supports the barrier. Hyaluronic acid offsets dryness by adding humectant hydration.

Arbutin 5%
cosmetic brightening ingredient used to target visible discoloration
Niacinamide 5%
supports barrier function and more even-looking tone
Hyaluronic acid
humectant that attracts water to the skin surface
The texture

Lightweight, hydrating, non-heavy serum

Packed with 5% niacinamide and 5% arbutin, this brightening serum helps revive dull, tired or aging skin by evening out skin tone and fading hyperpigmentation and age spots. Hyaluronic acid in formula provides an extra hydrating boost. Suitable for sensitive skin.

  • This AN Arbutin Niacinamide Serum comes with 5% Niacinamide and 5% Arbutin as well as Hyaluronic Acid to help fade hyperpigmentation, age spots and any other blemishes.
  • Contains Arbutin, a plant-based compound resembling synthetic hydroquinone. It delivers brightening benefits without any side effects, making it safe for people with sensitive skin.
  • Helps to effectively defend against UV rays.
Sensitive Skin dark spots age spots uneven tone dullness
Hover the swatch: it ripples like water

How to use

1

Apply after toner to clean skin.

2

Smooth 2-3 drops over the face or uneven-tone areas.

3

Pat gently until absorbed.

4

Follow with moisturizer.

5

Use sunscreen during daytime routines.

Full transparency

Ingredients

Alpha arbutin, niacinamide, and hyaluronic acid focus on visible discoloration while helping skin stay comfortably hydrated.

This formula uses two familiar tone-correcting directions at once: alpha arbutin and niacinamide. Alpha arbutin is widely used in cosmetic brightening products because it helps improve the look of dark spots and uneven tone in a gentler way than harsher spot treatments. Niacinamide supports that goal by helping the complexion appear brighter, smoother, and more balanced overall, while also adding barrier-friendly comfort. Hyaluronic acid rounds the formula out with hydration, which matters because skin usually responds better to brightening routines when it is not dry or irritated. The practical result is a serum that works on visible discoloration while still feeling easy to layer every day. It is best understood as steady tone maintenance rather than a dramatic peel or bleaching-style treatment, making it well suited to dull, spot-prone, or easily stressed skin.

The detail

Specs & details

FormatBrightening facial serum
SizeDefault Title
Skin typesNormal, combination, dry and uneven-tone concerns
Country of originSouth Korea
Before you add to cart

Questions & answers

The formula is listed with 5% arbutin and 5% niacinamide.
Use it after toner and before moisturizer.
Many routines use it daily, but start gradually if your skin is sensitive.
Yes, daily sunscreen is essential when targeting visible discoloration.
It can be paired in a simple routine, but introduce one product at a time and reduce frequency if irritation develops.
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Cos De BAHA
About the brand

Shop Cos De BAHA serums and treatment skincare for targeted concerns such as dark spots, texture, pores, dehydration, and barrier support. This collection is led by active-focused formulas featuring niacinamide, tranexamic acid, retinol, bakuchiol, peptides, hyaluronic acid, ceramide, and vitamin C across serums, toners, and creams. The assortment is especially strong for shoppers building a routine around concentrated leave-on steps rather than a broad wash-and-mask category mix. At Protoclinical, we treat Cos De BAHA as an evidence-led serum wardrobe: choose one or two actives based on your skin concern, support them with hydration, and keep the page focused on tone, texture, and routine precision. Explore the collection to build a clinical-feeling Korean skincare protocol with targeted treatments that fit into consistent daily use.

OriginSeoul, KR
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