Explore Routine Login

Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of The INKEY List Caffeine Stimulating Scalp Treatment versus The INKEY List Peptide Volumizing Hair Treatment .

Last updated on October 25, 2023. Published on August 09, 2023

Overview

What they are

These products are both vegan, cruelty-free, and reef safe . They have a total of 7 ingredients in common

Suited For

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

Scalp Treatment British Brand United Kingdom
Hair Serum British Brand United Kingdom

Scalp Treatment

Products to help treat conditions relating to the scalp.

Hair Serum

Liquid-based hair treatment to help nourish the hair.

Price

Shop

Buy Caffeine Stimulating Scalp Treatment

Starts at $16.00
Shop

Buy Peptide Volumizing Hair Treatment

Starts at $14.00

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

Benefits

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

Concerns

Irritating
Rosacea
Eczema

Notable Ingredients

Exfoliators
Peptides

Benefits

Hydrating (2)
Redness Reducing
Reduces Irritation (2)
Brightening
Join our community

Build your routine, track which ingredients work for you, and much more with your free account.

Join SkinSort

Ingredients Side-by-side

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

Learn more about what what Com. / Irr. ratings are

Loading ingredients...

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 INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 1.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 1.

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

Betaine 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.

Betaine is best for improving hydration and soothing irritated skin. Studies show betaine may help with uneven skin tones.

Betaine is naturally created in the skin and body. The form found within cosmetic products can be either plant-dervied or synthetic.

Learn more about Betaine

The INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 2.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 3.

3
What it does: Skin Conditioning
Community Rating: Loved

Panthenol (also referred to as pro-vitamin B5) is a common ingredient that helps hydrate and soothe the skin.

lt is a humectant, meaning that it helps the skin attract and retain moisture.

Another benefit is the anti-inflammatory abilities. This means that it's great for sensitive, irritation-prone skin.

Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.

Learn more about Panthenol

The INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 4.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 5.

4
What it does: Preservative
Community Rating: Very Disliked

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

The INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 5.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 7.

5
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 INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 6.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 4.

6
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 INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 8.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 10.

7
What it does:
Community Rating: Liked

Trisodium Ethylenediamine Disuccinate is used to help stabilize a product.

It is a chelating agent, meaning it helps prevent metal ions from binding to other ingredients. This prevents unwanted reactions in products. Metal ions can come into a product via the water ingredient. They are found in trace amounts and are not known to be harmful.

The INKEY List Caffeine Stimulating Scalp Treatment contains this as ingredient number 9.

The INKEY List Peptide Volumizing Hair Treatment contains this as ingredient number 15.

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

60% are loved or liked
13% have mixed ratings
13% are disliked or very disliked
13% have no rating yet
40% are loved or liked
5% have mixed ratings
30% are disliked or very disliked
25% have no rating yet

Usage

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

When to use

Loading routine usage...
Loading routine usage...

Alternatives

Our Dupe Finder has found 7 potential alternatives that have similar ingredients to The INKEY List Caffeine Stimulating Scalp Treatment.

See 7 alternatives

Our Dupe Finder has found 3 potential alternatives that have similar ingredients to The INKEY List Peptide Volumizing Hair Treatment.

See 3 alternatives
Loading similar comparisons...