What percentage of Vitamin C is in this product?

You asked the same question I had. The red flag I got was that the product name has 100% AFTER Vitamin C and BEFORE the word Serum.... which likely means that it is 100% serum but not necessarily 100% Vitamin C. I asked my dermatologist and she told me that 10% to 20% is the "highest allowable" amount of concentration that is generally safe and effective for skin care - anything higher could cause irritation. Since this is a 'Vitamin C" product, I think the percentage of Vitamin C should not be considered "proprietary" - though the percentages of the other ingredients would likely be proprietary to protect their formula from being duplicated. Generally, ingredients are listed highest concentrations first, and as you go down the list, the amounts would be less and less. The wording on the label is misleading and I'm sure many people think they are buying 100 % Vitamin C. Since this company will not state what the amount is, I will not be buying it.

does this have Phenoxyethanol?

Not that I can see in the list of ingredients

Is this water or oil based?

It’s oil based. It rubs in to skin nicely with out feeling greasy.

I regret to inform you there is no percentage amount of Retinol listed on my label. However, I switched to another brand several months ago, which does not contain Retinol. It is MB (Meera's Beauty) Vitamin C Serum, which has only 20% Vitamin C, hyaluronic acid amino blend and Vitamin E. I prefer it over the Concentrated Naturals brand.

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Vitamin C Serum for Face, High Concentrate Brightening Formula, 1 oz

Vitamin C Serum for Face, High Concentrate Brightening Formula, 1 oz

Product ID: 56564731

Details

Brand
Concentrated
Scent
Aloe
Skin Type
All Dry
Special Ingredients
Retinol C
Use for
Face

🍊20% Vitamin C concentration

🧪Retinol + Vitamin C potent combo

🧴1oz pure serum, no fillers

₩72199

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Description

✨ Unlock your skin’s youthful glow with every drop! 🍊

WRINKLE WARRIOR - Professional-grade Retinol and Vitamin C blend targets fine lines and wrinkles for smoother skin.
GENTLE YET EFFECTIVE - Suitable for all skin types, including sensitive and mature skin, with visible results in 7-10 days.
SCIENCE MEETS NATURE - Dermatologist-developed formula harnesses concentrated natural actives for proven anti-aging benefits.
GLOW LIKE YOU MEAN IT - High-potency Vitamin C brightens & evens skin tone for a radiant, youthful complexion.
CLEAN BEAUTY NO COMPROMISE - Paraben-free, sulfate-free, cruelty-free formula made in the USA with natural ingredients.

This 1oz professional-grade Vitamin C serum combines a potent 20% Vitamin C concentration with Retinol to visibly brighten skin, reduce fine lines, and even out complexion. Free from parabens and sulfates, it’s crafted with natural ingredients, cruelty-free, and suitable for all skin types. Dermatologist-developed and made in the USA, it delivers noticeable anti-aging results within weeks, making it a must-have for millennials seeking radiant, youthful skin.

Specifications

ASIN	B077H66SBM
ASIN	B077H66SBM
Active Ingredients	retinol,vitamin c
Best Sellers Rank	#253,284 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #5,045 in Facial Serums
Brand Name	Concentrated Naturals
Customer Reviews	4.4 4.4 out of 5 stars (344)
Item Form	Serum
Item Highlight	May help smooth the appearance of wrinkles and even the look of skin tone for a more youthful-looking complexion.
Item Weight	1 ounces
Item model number	F.55948
Manufacturer Part Number	F.55948
Material Features	Natural
Material Type Free	Paraben Free, Sulfate Free
Model Number	F.55948
Number of Items	1
Package Dimensions	3.9 x 1.6 x 0.7 inches; 1 ounces
Scent Name	Aloe
Skin Type	All, Combination, Dry, Sensitive
Special Ingredients	Retinol, Vitamin C
Target Use Body Part	Face
UPC	897598004363
UPC	897598004363
Unit Count	1 Fluid Ounces

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₩72199

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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