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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of The Ordinary Mandelic Acid 10% + HA versus Dear, Klairs Midnight Blue Youth Activating Drop .

Last updated on September 19, 2023. Published on November 22, 2020

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 5 ingredients in common

Suited For

They're both likely to be good for dry skin and brightening skin

Free From

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

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

Serum Canadian Brand Canada
Serum South Korean Brand South Korea

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Price

Shop

Buy Mandelic Acid 10% + HA

Starts at $7.50
Shop

Buy Midnight Blue Youth Activating Drop

Starts at $15.36

Ingredient Info

Click any item below to learn more and view relevant ingredients.
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free

At a glance

Click on any of the items below to learn more

Notable Ingredients

AHA
Hyaluronic Acid

Benefits

Hydrating
Reduces Large Pores
Brightening (2)

Concerns

Irritating
Rosacea

Benefits

Hydrating
Brightening

Concerns

Acne Trigger
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Ingredients Side-by-side

Ingredients that are highlighted in purple are present in both products.

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Ingredients Explained

These ingredients are found in both products.

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

1
What it does: Skin Conditioning, Solvent
Community Rating: Loved

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

The Ordinary Mandelic Acid 10% + HA contains this as ingredient number 2.

Dear, Klairs Midnight Blue Youth Activating Drop contains this as ingredient number 1.

2
What it does: Humectant, Skin Conditioning, Skin Protecting, Solvent
Community Rating: Loved

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

The Ordinary Mandelic Acid 10% + HA contains this as ingredient number 4.

Dear, Klairs Midnight Blue Youth Activating Drop contains this as ingredient number 11.

3
What it does: Skin Conditioning
Community Rating: Mixed

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.

The Ordinary Mandelic Acid 10% + HA contains this as ingredient number 11.

Dear, Klairs Midnight Blue Youth Activating Drop contains this as ingredient number 14.

4
What it does: Skin Conditioning, Solvent
Community Rating: Mixed

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

In products that are water-based, this ingredient can help stabilize perfumes and fragrances. It can also help make the texture of products softer and more smooth.

The Ordinary Mandelic Acid 10% + HA contains this as ingredient number 12.

Dear, Klairs Midnight Blue Youth Activating Drop contains this as ingredient number 8.

5
What it does: Emollient, Humectant, Skin Conditioning
Community Rating: Liked

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.

Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.

This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.

Learn more about Caprylyl Glycol

The Ordinary Mandelic Acid 10% + HA contains this as ingredient number 13.

Dear, Klairs Midnight Blue Youth Activating Drop contains this as ingredient number 9.

Here's what our community thinks of the ingredients in these two products.

54% are loved or liked
31% have mixed ratings
15% are disliked or very disliked
0% have no rating yet
53% are loved or liked
20% have mixed ratings
27% are disliked or very disliked
0% have no rating yet

Usage

Here's some more info on how this product is used by our community.

When to use

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Reviews

Here's what our community thinks

The Ordinary Mandelic Acid 10% + HA 13 ingredients

4.5 /5
from 4 reviews
JohnnyLeeZongHeng_352's Avatar'
Apr 9, 2024

Gentle and didn't break me out. I love it

Gentle and didn't break me out. I love it

Great Value
Hydrating
Light
No Scent
Works Well

Dear, Klairs Midnight Blue Youth Activating Drop 15 ingredients

4.0 /5
from 1 review
EveliV's Avatar'
Apr 9, 2024

A little miracle worker! I don't know what makes this so nice, but its not irritating and has helped with blemish control. Very light and with no strong scent, it absorbs fast and gives my tired skin a little boost.

A little miracle worker! I don't know what makes this so nice, but its not irritating and has helped with blemish control. Very light and with no strong scent, it absorbs fast and gives my tired skin a little boost.

Great Value
Light
Absorbs Well
Light Scent
Works Well

Alternatives

Our Dupe Finder has found 50 potential alternatives that have similar ingredients to The Ordinary Mandelic Acid 10% + HA.

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Our Dupe Finder has found 50 potential alternatives that have similar ingredients to Dear, Klairs Midnight Blue Youth Activating Drop.

See 50 alternatives
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