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 | Professional Grade | High Concentrate Formula May Help Smooth Appearance of Wrinkles, Brightens | May Improve Appearance of Skin Tone for More Youthful-Looking Skin 1oz

Vitamin C Serum for Face | Professional Grade | High Concentrate Formula May Help Smooth Appearance of Wrinkles, Brightens | May Improve Appearance of Skin Tone for More Youthful-Looking Skin 1oz

Product ID: 56564731

Details

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

🍊20% Vitamin C concentration

🧪Retinol + Vitamin C potent combo

🧴1oz pure serum, no fillers

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€ 52.60

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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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
Active Ingredients	retinol,vitamin c
Best Sellers Rank	#168,591 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #3,282 in Facial Serums
Brand	Concentrated Naturals
Brand Name	Concentrated Naturals
Customer Reviews	4.4 out of 5 stars 344 Reviews
Item Form	Serum
Item Weight	1 Ounces
Manufacturer Part Number	F.55948
Material Features	Natural
Material Type Free	Paraben Free, Sulfate Free
Model Number	F.55948
Number of Items	1
Scent	Aloe
Scent Name	Aloe
Skin Type	All, Combination, Dry, Sensitive
Special Ingredients	retinol, vitamin_c
Target Use Body Part	Face
UPC	897598004363
Unit Count	1 Fluid Ounces
Use for	Face

Reviews

A**.

11.05.2021

B**S

4.06.2025

S**R

19.10.2021

M**R

11.08.2025

L**A

10.07.2025

T**R

27.06.2022

D**.

17.04.2025

J**G

16.07.2018

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