Versus

Derma E Vitamin C Concentrated Serum Versus Kiehl's Powerful-Strength Vitamin C Serum

Serum
Serum
American Brand United States
American Brand United States

Updated on April 30, 2025

Overview

What they are

These products are both reef safe serums. They have a total of 2 ingredients in common

Cool Features

They both contain hyaluronic acid and Vitamin C

Suited For

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing and better texture

Free From

They both do not contain any harsh alcohols, parabens or sulfates

What's Inside

They both contain fragrances and oils

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

Ingredient Info

Click any item below to learn more and see relevant ingredients

What's inside (and what isn't)

What's inside (and what isn't)

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Concerns

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Humectant, Skin Conditioning, Skin Protecting

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin

Ethylhexyl Palmitate is created from 2-ethylhexyl alcohol and palmitic acid. It is a fatty acid ester.

The fatty acid content of Ethylhexyl Palmitate makes it an emollient. Emollients help soften and hydrate your skin by trapping moisture within.

Ethylhexyl Palmitate is also used to help improve the texture of cosmetics. It helps other ingredient dissolve in products and help disperse ingredients more evenly.

You'll likely find this ingredient in sunscreen, as it is often used to mix UV-blocking ingredients such as avobenzone and ethylhexyl triazone.

It can also help stabilize the fragrances in a product as a fragrance fixative.

Ethylhexyl Palmitate can be used to substitute mineral oil.

Due to its high fatty acid content, it may not be fungal-acne safe.

Learn more about Ethylhexyl Palmitate

When to use

135 Routines
82% use in am
18% use in pm
93% use every day
When to use See routines that use it ->
118 Routines
77% use in am
23% use in pm
88% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

Derma E Vitamin C Concentrated Serum 23 ingredients

5.0 /5
from 1 rating

Kiehl's Powerful-Strength Vitamin C Serum 21 ingredients

5.0 /5
from 1 rating
pez_globito's avatar

pez_globito

8 months ago
Review

Actually noticed a difference in my fine lines with this product. The bottle also lasted me over a year with almost daily use.