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 Serum,1fl. oz (30ml)

Cos De BAHA Vitamin C Serum,1fl. oz (30ml)

Product ID: 257868166

Details

Product benefits
Moisturizing
Scent
unscented
Skin type
All Normal
Special ingredients
vitaminc
Use for
Face

⚡Fast-absorbing, lightweight drop

🌿Natural & organic formula

💧15% L-Ascorbic Acid potency

Description

✨ Glow like you mean it — your skin’s new BFF is here! 💧

CLEAN PURE - Soap-free, unscented, and crafted with natural ingredients for sensitive skin compatibility.
DEEP HYDRATION - Infused with hyaluronic acid to lock in moisture and smooth skin texture instantly.
ALL DAY DEFENSE - Antioxidant-rich formula protects against sun damage and environmental stressors.
RADIANCE BOOSTER - Clinically potent 15% Vitamin C brightens and fades age spots for a luminous glow.
YOUTHFUL RENEWAL - Vitamin B5 and collagen-boosting actives reduce wrinkles and acne scars visibly.

Cos De BAHA Vitamin C Serum delivers a powerful 15% L-Ascorbic Acid formula enriched with hyaluronic acid and Vitamin B5 to brighten, hydrate, and repair skin. This lightweight, natural, and soap-free serum targets age spots, sun damage, and acne scars while promoting collagen production for a smoother, youthful complexion suitable for all skin types.

Specifications

ASIN	B07QPCJSPZ
ASIN	B07QPCJSPZ
Active Ingredients	hyaluronic_acid, vitamin_c
Best Sellers Rank	#122,595 in Beauty ( See Top 100 in Beauty ) #2,861 in Facial Day Care
Brand Name	Cos De BAHA
Customer Reviews	4.3 4.3 out of 5 stars (1,759)
Customer reviews	4.3 4.3 out of 5 stars (1,759)
Date First Available	20 June 2019
Global Trade Identification Number	08809240318119, 08809240318508
Item Form	Drop
Item Volume	60 Milliliters
Item Weight	10 Milligrams
Item model number	CDVA
Manufacturer	Cos De BAHA
Manufacturer	Cos De BAHA
Manufacturer Part Number	1114107217
Material Features	Natural, Organic
Material Type Free	soap free
Model Number	CDVA
Number of Items	1
Product Benefits	Moisturizing
Product Dimensions	3.5 x 3.5 x 9.8 cm; 0.01 g
Recommended Uses For Product	Smoothening,Provides Vitamins,Wrinkles,Anti Aging,Collagen Production,Blender
Scent Name	unscented
Skin Tone	All
Skin Type	All, Normal
Special Ingredients	hyaluronicacid, vitaminc, vitamine
Target Use Body Part	Face
Unit Count	1.0 Fluid Ounces

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