Updated on December 27, 2024
Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 12 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, sensitive skin, oily 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 needs an update? Let us know.
Ingredient Info
Q + A Peptide Serum 22 ingredients
Q + A Zinc PCA Facial Serum 19 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Q + A Peptide Serum 22 ingredients
Q + A Zinc PCA Facial Serum 19 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningPropylene Glycol
Humectant
Betaine
Humectant
Pentylene Glycol
Skin ConditioningXanthan Gum
EmulsifyingAloe Barbadensis Leaf Juice Powder
Skin ConditioningSodium Phytate
Glycerin
Humectant
Lonicera Caprifolium Flower Extract
Perfuming
Biosaccharide Gum-1
Skin ConditioningLonicera Japonica Flower Extract
Skin ConditioningSodium Levulinate
Skin ConditioningTripeptide-29
Skin Conditioning
Sodium Hyaluronate
Humectant
Sodium Ascorbyl Phosphate
Antioxidant
Magnesium PCA
Humectant
Lactic Acid
Buffering
Glyceryl Caprylate
EmollientCocoyl Proline
Skin ConditioningSodium Anisate
AntimicrobialLeuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Citric Acid
Buffering
Water, Propylene Glycol, Betaine, Pentylene Glycol, Xanthan Gum, Aloe Barbadensis Leaf Juice Powder, Sodium Phytate, Glycerin, Lonicera Caprifolium Flower Extract, Biosaccharide Gum-1, Lonicera Japonica Flower Extract, Sodium Levulinate, Tripeptide-29, Sodium Hyaluronate, Sodium Ascorbyl Phosphate, Magnesium PCA, Lactic Acid, Glyceryl Caprylate, Cocoyl Proline, Sodium Anisate, Leuconostoc/Radish Root Ferment Filtrate, Citric Acid
Water
Skin ConditioningPropylene Glycol
Humectant
Lactobacillus/Ganoderma Lucidum Extract/Lentinus Edodes Extract Ferment Filtrate
Skin ConditioningBetaine
Humectant
Pentylene Glycol
Skin ConditioningZinc PCA
Humectant
Lactobacillus Ferment
Skin ConditioningLonicera Caprifolium Extract
AstringentLonicera Japonica Callus Extract
Skin ProtectingLactic Acid
Buffering
Glyceryl Caprylate
EmollientBiosaccharide Gum-1
Skin ConditioningCollagen
Moisturising
Glycerin
Humectant
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Sodium Levulinate
Skin ConditioningSodium Anisate
AntimicrobialSodium Gluconate
Skin ConditioningXanthan Gum
EmulsifyingWater, Propylene Glycol, Lactobacillus/Ganoderma Lucidum Extract/Lentinus Edodes Extract Ferment Filtrate, Betaine, Pentylene Glycol, Zinc PCA, Lactobacillus Ferment, Lonicera Caprifolium Extract, Lonicera Japonica Callus Extract, Lactic Acid, Glyceryl Caprylate, Biosaccharide Gum-1, Collagen, Glycerin, Leuconostoc/Radish Root Ferment Filtrate, Sodium Levulinate, Sodium Anisate, Sodium Gluconate, Xanthan Gum
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterPropylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Another role of this ingredient is preventing a product from melting or freezing. Propylene glycol also adds antimicrobrial properties to a product, elongating product lifespan.
This ingredient is considered an organic alcohol and commonly added into both cosmetics and foods.
Those with sensitive skin or conditions may develop a rash when using this ingredient.
Learn more about Propylene GlycolBetaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.
This ingredient is best for improving hydration and soothing irritated skin. Studies also show it helps even out skin tone.
Fun fact: Betaine is naturally created in the skin and body. The kind found within cosmetic products can be either plant-derived or synthetic.
Learn more about BetainePentylene 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 also help thicken or stabilize a product.
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 GlycolXanthan 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 GumGlycerin 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 GlycerinBiosaccharide Gum-1 is a sugar created from fermented sorbitol. Most sorbitol is made from potato starch.
This ingredient is a a skin conditioning ingredient and helps moisturize the skin.
It is also naturally found in fruits such as apples and pears.
Learn more about Biosaccharide Gum-1Sodium 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 LevulinateLactic 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 AcidGlyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut. It has 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.
On the other hand, emulsifiers prevent ingredients (such as oil and water) from separating.
Learn more about Glyceryl CaprylateSodium Anisate comes from fennel. It is used as a preservative and to add flavoring.
Sodium Anisate has antimicrobial properties.
Leuconostoc/Radish Root Ferment Filtrate is a natural preservative. It comes from fermenting radish roots with a bacteria called leuconostoc.
Leuconostoc comes from lactic acid.
This ingredient has antimicrobial properties and helps prevent the growth of bacteria in a product.
Leuconostoc is used to make the traditional Korean side-dish, kimchi. It is also used to make sourdough bread (both incredibly yummy foods).
Learn more about Leuconostoc/Radish Root Ferment FiltrateIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Q + A Peptide Serum 22 ingredients
Q + A Zinc PCA Facial Serum 19 ingredients
Reviews
Here's what our community thinks
Q + A Peptide Serum 22 ingredients
Q + A Zinc PCA Facial Serum 19 ingredients
I don’t really know if it works but since I use this my pimples are less
