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The INKEY List PCA Bond Repair Hair Treatment Ingredients Explained

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Updated on August 04, 2023 Submitted by Glytchin

Overview

What it is

Leave-in treatment with 25 ingredients

Cool Features

It is vegan, cruelty-free, and reef safe

Suited For

It has ingredients that are good for dry skin, brightening skin and sensitive skin

Free From

It doesn't contain any common allergens, fragrances, parabens or sulfates

Fun facts

The INKEY List is from United Kingdom. This product is used in 2 routines created by our community.

We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.

You should know

Here's our breakdown of the notable ingredients, benefits, and concerns we determined from the ingredients in this product. Click any item to learn more.

Benefits

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

Concerns

Drying
May Worsen Oily Skin
Irritating
Rosacea
Eczema

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

Ingredients Overview

Here's our quick-to-read summary of the ingredients in this product. Keep scrolling if you'd like to learn more about what each ingredient does!
Ingredient
Features
1
Skin Conditioning, Solvent
2
Silicon Icon
3
Humectant, Masking, Skin Conditioning, Solvent
1 / 0
4
Humectant, Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon
5
Silicon Icon
6
Emulsifying
1-2 / 1-2
Not safe for Fungal Acne Icon
7
Antimicrobial, Emulsifying, Preservative
Preservative Icon
8
Skin Conditioning
0 / 0
Helps reduce irritation Icon
9
Emulsifying
10
Humectant, Skin Conditioning, Skin Protecting, Solvent
0 / 0
Helps hydrate Dry Skin IconHelps brighten skin Icon
11
Emulsifying
Oil IconNot safe for Fungal Acne Icon
12
Masking, Preservative
Preservative Icon
13
Skin Conditioning
14
Buffering
15
Skin Conditioning
16
Cleansing
17
Preservative
Preservative Icon
18
Buffering, Masking
AHA IconMay cause irritation IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconMay worsen Rosacea IconHelps brighten skin Icon
19
Emulsifying
Not safe for Fungal Acne Icon
20
Antimicrobial, Astringent, Masking, Solvent
Alcohol IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon
21
Skin Conditioning
22
Emollient, Skin Conditioning
23
Preservative
Preservative Icon
24
Skin Conditioning
25
Emollient, Emulsifying, Skin Conditioning

Ingredients Explained

This product contains 25 ingredients. Click on any ingredient to learn more about it
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
2
What it does:
Community Rating: Disliked

Amodimethicone is a type of silicone.

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

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

  • It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
  • It is a humectant, which means that it helps attract moisture into the skin.
  • It helps improve product application.

Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.

4
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
5
What it does:

Bis-PCA Dimethicone is a type of silicone.

6
What it does: Emulsifying
Community Rating: Very Disliked

Sorbitan Laurate is created from lauric acid and derivatives from sorbitol. It is an emulsifier.

7
What it does: Antimicrobial, Emulsifying, Preservative
Community Rating: Liked

This ingredient is a preservative, antimicrobial, and emulsifier. It is often used in cosmetics for its ability to cleanse, condition, and reduce static.

Cetrimonium chloride is a quaternary ammonium salt, meaning it has a water-soluble structure.

8
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
9
What it does: Emulsifying

We don't have a description for Trideceth-12.

10
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
11
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
12
What it does: Masking, Preservative
Community Rating: Disliked

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.

Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.

Sodium Benzoate is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.

Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.

We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.

Learn more about Sodium Benzoate
13
What it does: Skin Conditioning

We don't have a description for Hydrolyzed Pea Protein Pg-Propyl Silanetriol.

14
What it does: Buffering
Community Rating: Liked

Aminomethyl Propanol is used to adjust the pH of products. It is also used as a base to create other organic compounds. Having a balanced pH is important for protecting your skin.

Aminomethyl propanol is safe to use in cosmetics up to 1%. It is soluble in water.

15
What it does: Skin Conditioning
Community Rating: Liked

Aloe Barbadensis Leaf Juice Powder comes from the aloe plant.

You may know Aloe to be a good sunburn reliever and inflammation reducer. This is because it contains many components that are known to help reduce irritation and itchiness.

Aloe leaves are also great moisturizers. They are naturally rich in polysaccharides, a carbohydrate made of sugars. Polysaccharides are able to mimic the carbs found in the top layer of your skin. This can help keep your skin hydrated.

Aloe contains the antioxidants Vitamins A, C, and E. These vitamins neutralize free radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

Aloe does not protect against UV rays, despite it soothing sunburns.

Learn more about Aloe Barbadensis Leaf Juice Powder

We don't have a description for Disodium Peg-12 Dimethicone Sulfosuccinate.

17
What it does: Preservative
Community Rating: Disliked

Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.

Potassium sorbate is potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.

Potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.

Potassium sorbate is often used with stronger preservatives.

Learn more about Potassium Sorbate
18
What it does: Buffering, Masking
Community Rating: Disliked

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.

As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and look more even.

Read more about some other popular AHA's here:

Learn more about Citric Acid
19
What it does: Emulsifying

Polyglyceryl-4 Laurate isn't fungal acne safe.

20
What it does: Antimicrobial, Astringent, Masking, Solvent
Community Rating: Very Disliked

Alcohol comes in many different forms. Different types of alcohol will have different effects on skin. This ingredient is usually an astringent alcohol.

These alcohols are drying on the skin. They may strip away your skin's natural oils and even damage your skin barrier. Astringent alcohols may also irritate skin.

Other types of astringent alcohols include:

According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients.

Any type of sanitizing product will have high amounts of alcohol to help kill bacteria and viruses.

Fatty alcohols come from plant oils such as coconut oil. These can help hydrate the skin and are non-irritating. Some fatty alcohols include cetyl and stearyl alcohol.

Learn more about Alcohol
21
What it does: Skin Conditioning

Helianthus Annuus Seed Extract comes from sunflower seeds.

Sunflower seeds are rich in vitamin E. Studies show sunflowers contain antimicrobial and antioxidant properties.

The fatty acids found in sunflower seeds include (from highest amount to least): linoleic acid, myristic acid, palmitic acid, stearic acid, arachidic acid, oleic acid, and linolenic acid.

These fatty acids hydrate your skin. Emollients create a film on the skin to prevent moisture from escaping.

Learn more about Helianthus Annuus Seed Extract
22
What it does: Emollient, Skin Conditioning

We don't have a description for Dilauryl Citrate.

23
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.

24
What it does: Skin Conditioning

We don't have a description for Avena Strigosa Seed Extract.

25
What it does: Emollient, Emulsifying, Skin Conditioning
Community Rating: Disliked

Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.

Lecithin is an emollient. Emollients help soften the skin and creates a barrier to keep moisture in.

As an emulsifier, it also helps prevent water and oil ingredients from separating. Lecithin can help ingredients be better absorbed by the skin. The phospholipids in Lecithin can produce liposomes. Liposomes help other ingredients get through the skin barrier.

Learn more about Lecithin
Embed Ingredients

Here's what our community thinks of the 25 ingredients in this product ✨

28% are loved or liked
4% have mixed ratings
36% are disliked or very disliked
32% have no rating yet

When to use

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

Directions

Shake well before use. Activate the pump by pressing down 2-3 times before first use.

Spray PCA Bond Repair on towel-dried damp hair, covering all of your hair, excluding your scalp, focusing on the more damaged areas. We'd suggest spritzing 4-6 sprays through short, fine...

Shake well before use. Activate the pump by pressing down 2-3 times before first use.

Spray PCA Bond Repair on towel-dried damp hair, covering all of your hair, excluding your scalp, focusing on the more damaged areas. We'd suggest spritzing 4-6 sprays through short, fine hair and 6-10 sprays for longer, thicker hair. Can be used daily.

When to use

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