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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Secret Key Starting Treatment Rose Ampoule versus Mecca Cosmetica Watercooler Calming Hydration Serum .

Published on February 01, 2023

Overview

What they are

These products are both reef safe . They have a total of 9 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, parabens, silicones or sulfates

What's Inside

They both contain oils

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

Ampoule South Korean Brand South Korea
Serum Australian Brand Australia

Ampoule

Ampoules are created to target one area of concern. They are usually highly concentrated with active or beneficial ingredients.

Serum

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

Price

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Buy Starting Treatment Rose Ampoule

Starts at $12.19
Shop

Buy Watercooler Calming Hydration Serum

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

Benefits

Hydrating (2)
Anti-Aging
Scar Healing
Brightening

Concerns

Rosacea
Eczema

Benefits

Hydrating (2)
Redness Reducing
Reduces Irritation (2)
Brightening
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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

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 2.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 10.

2
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.

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 6.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 6.

3
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

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 7.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 16.

4
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

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 10.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 20.

5
What it does: Skin Conditioning
Community Rating: Disliked

We don't have a description for Ppg-26-Buteth-26.

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 12.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 14.

6
What it does: Absorbent, Emollient, Emulsion Stabilising, Skin Conditioning
Community Rating: Mixed

Sodium Polyacrylate is the sodium salt of polyacrylic acid.

Sodium Polyacrylate is a super-absorbent polymer. It can absorb 100 to 1000 times its mass in water. As an emollient, Sodium Polyacrylate helps soften and soothe skin. Emollients work by creating a barrier to trap moisture in. This helps keep your skin hydrated.

Sodium Polyacrylate is also used to stabilize products.

Learn more about Sodium Polyacrylate

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 14.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 19.

7
What it does: Emulsifying
Community Rating: Very Disliked

Peg-40 Hydrogenated Castor Oil is derived from castor oil and polyethylene glycol (PEG). It is used as a emollient and emulsifier.

As an emulsifier, it helps prevent ingredients from separating. It also helps make the other ingredients more soluble; it is often used to solubilize fragrances. This increases spreadability and elongates shelf life in a product.

Emollients help soothe and soften the skin. They do this by creating a protective film on your skin. This barrier helps trap moisture and keeps your skin hydrated. Emollients may be effective at treating dry or itchy skin.

This ingredient may or may not be vegan, depending on the source.

Peg-40 Hydrogenated Castor Oil may not be fungal-acne safe. We recommend speaking with a professional if you have any questions or concerns.

Learn more about Peg-40 Hydrogenated Castor Oil

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 15.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 18.

8
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

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 18.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 12.

9
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.

Secret Key Starting Treatment Rose Ampoule contains this as ingredient number 19.

Mecca Cosmetica Watercooler Calming Hydration Serum contains this as ingredient number 17.

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

33% are loved or liked
21% have mixed ratings
42% are disliked or very disliked
4% have no rating yet
50% are loved or liked
27% have mixed ratings
14% are disliked or very disliked
9% 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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Alternatives

Our Dupe Finder has found 33 potential alternatives that have similar ingredients to Secret Key Starting Treatment Rose Ampoule.

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