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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Dear, Klairs Fundamental Watery Oil Drop versus Sioris Bring The Light Serum .

Last updated on September 19, 2023. Published on February 19, 2021

Overview

What they are

These products are both vegan, cruelty-free, and reef safe serums. They have a total of 8 ingredients in common

Cool Features

They both contain exfoliants, hyaluronic acid and Vitamin E

Suited For

They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, reducing pores and dark spots

Free From

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

What's Inside

They both contain fragrances

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

Serum South Korean Brand South Korea
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 Fundamental Watery Oil Drop

Starts at $20.15
Shop

Buy Bring The Light Serum

Starts at $27.99

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

Vitamin E
Exfoliators
Ceramides
Hyaluronic Acid
Peptides (2)

Benefits

Hydrating (4)
Redness Reducing (4)
Reduces Irritation (4)
Reduces Large Pores
Anti-Aging (3)
Dark Spots (2)
Acne Fighting
Brightening (2)

Concerns

Acne Trigger

Notable Ingredients

Vitamin E
Exfoliators
Niacinamide
Hyaluronic Acid (3)

Benefits

Hydrating (3)
Good For Oily Skin
Redness Reducing
Reduces Irritation
Skin Texture
Reduces Large Pores
Anti-Aging (3)
Dark Spots
Scar Healing (3)
Acne Fighting
Brightening (4)

Concerns

May Worsen Oily Skin
Acne Trigger
Irritating (2)
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Ingredients Compared

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

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

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 1.

Sioris Bring The Light Serum contains this as ingredient number 7.

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

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 2.

Sioris Bring The Light Serum contains this as ingredient number 5.

3
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.

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 10.

Sioris Bring The Light Serum contains this as ingredient number 23.

4
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.

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 15.

Sioris Bring The Light Serum contains this as ingredient number 21.

5
What it does: Humectant, Skin Conditioning
Community Rating: Loved

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 17.

Sioris Bring The Light Serum contains this as ingredient number 12.

6
What it does: Emulsifying, Emulsion Stabilising, Gel Forming, Skin Conditioning
Community Rating: Disliked

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.

Learn more about Xanthan Gum

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 19.

Sioris Bring The Light Serum contains this as ingredient number 15.

7
What it does: Masking, Skin Conditioning
Community Rating: Mixed

Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.

As a cosmetic ingredient, Arginine has antioxidant properties and can also help repair damaged skin. This ingredient is derived either synthetically or from animals.

Arginine isn't fungal acne safe when used in the presence of other lipids (fats, fatty acids, oils, esters, etc). Oils and fats occur naturally within the skin, so take caution when using Arginine if you're prone to fungal acne.

Learn more about Arginine

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 20.

Sioris Bring The Light Serum contains this as ingredient number 20.

8
What it does: Emulsion Stabilising
Community Rating: Very Disliked

Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.

Acrylates/C10-30 Alkyl Acrylate Crosspolymer is also an emulsifier. Due to its properties, it can prevent water and oil ingredients from separating.

Dear, Klairs Fundamental Watery Oil Drop contains this as ingredient number 23.

Sioris Bring The Light Serum contains this as ingredient number 24.

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

54% are loved or liked
25% have mixed ratings
21% are disliked or very disliked
0% have no rating yet
46% are loved or liked
14% have mixed ratings
36% are disliked or very disliked
4% 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

Dear, Klairs Fundamental Watery Oil Drop 28 ingredients

4.7 /5
from 3 reviews
ChantelleAng's Avatar'
Jan 4, 2024

repeated purchase!! hydrates my skin well not oily

repeated purchase!! hydrates my skin well not oily

Expensive
Hydrating
Light
Absorbs Well
No Scent
Works Well

Sioris Bring The Light Serum 28 ingredients

Bring The Light Serum hasn't been rated yet.
Rate it now

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