can this be used with azelaic acid?

Not at the same time...use Azalaic at night and vit C by day Funny thing is that Retinol and Azalaic acid can be used together

Is this water soluble or oil soluble?

If you look at the ingredients, they’re all water soluble. Ascorbic acid is water soluble so you’ll generally see it in water based serums. Only oil soluble C derivatives like tetrahexyldecyl ascorbate will be in a lipid based serum.

Will using this help my rocesea?

Great question! I also have rosacea (mine is mild) but I haven’t noticed a difference. I can say it hasn’t made my rosacea worse, however. To give you more insight on this serum I can tell you that this formula is a bit on the thicker side (more nourishing than others) and isn’t as drying which I need to help clear my particular acne. Some brands are better for certain acne than others, so personally I’m going to be switching to another brand. But I’ve found no difference between brands in regards to rosacea. But again, my rosacea is mild. Hope this is somewhat helpful to you!

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Cos De BAHA Vitamin C(Ascorbic Acid) 15% Serum 1 Fl Oz – Korean Skin Care for Dull & Uneven-Looking Skin, Brightening Face Serum with Ascorbic Acid, 30ml

Product ID: 647388938

Details

Product Benefits
Hydrating
Scent
Fragrance Free
Skin Type
All Dry Normal
Special Ingredients
Ascorbic Acid
Use for
Face Neck

🌞Brightens & evens skin tone

💧Hydrating aloe & hyaluronate

🔬15% pure ascorbic acid

¥4651

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Description

✨ Glow Up or Miss Out! Your daily dose of radiant skin starts here.

DEEP HYDRATION BOOST - Infused with aloe, glycerin, and sodium hyaluronate to lock in moisture and soothe skin all day.
TRUSTED BY THOUSANDS - Highly rated with 4.4 stars from 1,900+ skincare enthusiasts who swear by its brightening power.
POWER PACKED 15 VITAMIN C - Clinically potent ascorbic acid concentration for visible brightening and anti-aging benefits.
CLEAN LIGHTWEIGHT FORMULA - Water-based, fragrance-free, and alcohol-free serum that layers seamlessly with your Korean skincare routine.
FLAWLESS COMPLEXION ENHANCER - Reduces dark spots and discoloration caused by environmental stressors for a uniform glow.

Cos De BAHA Vitamin C 15% Serum is a lightweight, water-based Korean skincare essential formulated with pure ascorbic acid to brighten dull, uneven skin. Enhanced with hydrating aloe, glycerin, and sodium hyaluronate, this fragrance- and alcohol-free serum reduces visible spots and supports a more uniform complexion, making it a must-have for all skin types seeking a refreshed, radiant glow.

Specifications

ASIN	B07QPCJSPZ
ASIN	B07QPCJSPZ
Active Ingredients	vitamin b5,vitamin c,vitamin e
Best Sellers Rank	#79,007 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #1,563 in Facial Serums
Brand Name	Cos De BAHA
Customer Reviews	4.4 4.4 out of 5 stars (1,900)
Global Trade Identification Number	08809240318119, 08809240318508
Item Form	Drop
Item Volume	60 ml
Item Weight	10 milligrams
Item model number	CDVA
Manufacturer Part Number	1114107217
Material Features	Antioxidant, Natural, Organic
Model Number	CDVA
Number of Items	1
Product Benefits	Hydrating
Recommended Uses For Product	Smoothening,Provides Vitamins,Wrinkles,Anti Aging,Collagen Production,Blender
Scent Name	Fragrance Free
Skin Type	All, Dry, Normal, Oily, Sensitive
Special Ingredients	Ascorbic Acid 15% + Arbutin
Target Use Body Part	Face, Neck
Unit Count	1 Fluid Ounces

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¥4651

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

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