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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Q + A Zinc PCA Facial Serum versus Gallinée Youthful Serum .

Published on October 09, 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 AHA

Suited For

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

Free From

They both do not contain any harsh alcohols, common allergens, oils, 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 British Brand United Kingdom
Serum French Brand France

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 Zinc PCA Facial Serum

Starts at $12.00
Shop

Buy Youthful Serum

Ingredient Info

Click any item below to learn more and view relevant ingredients.

Q + A Zinc PCA Facial Serum 19 ingredients

Gallinée Youthful Serum 25 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

Q + A Zinc PCA Facial Serum 19 ingredients

Gallinée Youthful Serum 25 ingredients

Notable Ingredients

AHA

Benefits

Hydrating (2)
Redness Reducing
Reduces Irritation
Skin Texture
Reduces Large Pores
Anti-Aging
Dark Spots
Scar Healing (2)
Acne Fighting
Brightening (2)

Concerns

Irritating
Rosacea
Eczema (2)

Notable Ingredients

AHA

Benefits

Hydrating
Skin Texture
Reduces Large Pores
Anti-Aging
Dark Spots
Scar Healing
Brightening (2)

Concerns

Drying
Acne Trigger
Irritating
Rosacea (2)
Eczema
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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

Q + A Zinc PCA Facial Serum contains this as ingredient number 1.

Gallinée Youthful Serum contains this as ingredient number 1.

2
What it does: Skin Conditioning
Community Rating: Liked

Lactobacillus is a type of bacteria. It makes up most of the food fermenting lactic acid bacteria. It is used to create wine, yogurt, cheese, sauerkraut, pickles, beer, cider, kimchi, cocoa, kefir.

Lactobacillus has antibacterial and antifungal properties (that's why we can eat the fermented foods above).

Lactobacillus is also skin conditioning and helps soothe the skin.

Read about lactobacillus ferment here.

Learn more about Lactobacillus

Q + A Zinc PCA Facial Serum contains this as ingredient number 3.

Gallinée Youthful Serum contains this as ingredient number 18.

3
What it does: Skin Conditioning, Solvent
Community Rating: Mixed

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.

This property also makes Pentylene Glycol a great texture enhancer. It can help thicken or emulsify a product. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.

Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.

Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.

Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.

Learn more about Pentylene Glycol

Q + A Zinc PCA Facial Serum contains this as ingredient number 5.

Gallinée Youthful Serum contains this as ingredient number 8.

4
What it does: Buffering, Humectant, Skin Conditioning
Community Rating: Loved

Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.

Benefits of Lactic Acid are that it can help to reduce large pores and reduce the effects of aging. Some potential downsides are that it can be bad for dry skin, cause irritation, worsen eczema, and worsen rosacea.

Not only does it help exfoliate the skin, it helps strengthen the skin's barrier. When applied, lactic acid helps the skin create ceramides.

Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk.

Legend has it that Cleopatra used to bathe in sour milk to help reduce wrinkles.

Read more about some other popular AHA's here:

Learn more about Lactic Acid

Q + A Zinc PCA Facial Serum contains this as ingredient number 10.

Gallinée Youthful Serum contains this as ingredient number 5.

5
What it does: Emollient, Emulsifying
Community Rating: Mixed

Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.

Glyceryl Caprylate is used for its emollient and emulsifier properties.

As an emollient, it helps hydrate your skin. Emollients work by creating a barrier on your skin to trap moisture in, helping to keep your skin soft and smooth.

Glyceryl Caprylate helps keep the ingredients such as oil and water together as an emulsifier.

Learn more about Glyceryl Caprylate

Q + A Zinc PCA Facial Serum contains this as ingredient number 11.

Gallinée Youthful Serum contains this as ingredient number 21.

6
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

Q + A Zinc PCA Facial Serum contains this as ingredient number 14.

Gallinée Youthful Serum contains this as ingredient number 3.

7
What it does: Skin Conditioning
Community Rating: Liked

Sodium levulinate is the a sodium salt of Levulinic Acid. If dissolved in an aqueous solution, the two ingredients become identical.

It is a skin conditioning agent, meaning it helps soften and hydrate your skin.

According to Cosmetic Ingredient Review, the highest amounts of sodium levulinate are found in mouthwashes at 0.62%.

Learn more about Sodium Levulinate

Q + A Zinc PCA Facial Serum contains this as ingredient number 16.

Gallinée Youthful Serum contains this as ingredient number 25.

8
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

Q + A Zinc PCA Facial Serum contains this as ingredient number 19.

Gallinée Youthful Serum contains this as ingredient number 24.

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

Q + A Zinc PCA Facial Serum 19 ingredients

Gallinée Youthful Serum 25 ingredients

53% are loved or liked
16% have mixed ratings
11% are disliked or very disliked
21% have no rating yet
40% are loved or liked
20% have mixed ratings
24% are disliked or very disliked
16% have no rating yet

Usage

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

When to use

Q + A Zinc PCA Facial Serum 19 ingredients

Gallinée Youthful Serum 25 ingredients

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