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Sunday || Sunday Signature Scalp Recovery Conditioner for Dry Damaged Hair Ingredients Explained

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Published on August 25, 2023

Overview

What it is

Conditioner with 35 ingredients that contains AHA

Cool Features

It is vegan, cruelty-free, and reef safe

Suited For

It has ingredients that are good for anti aging, dry skin, brightening skin, reducing pores, scar healing, dark spots and better texture

Free From

It doesn't contain any harsh alcohols, parabens, silicones or sulfates

Fun facts

Sunday || Sunday is from United States.

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.

Notable Ingredients

AHA

Benefits

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

Concerns

May Worsen Oily Skin (2)
Acne Trigger (2)
Irritating (2)
Rosacea (3)
Eczema (3)

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
Emollient, Emulsifying, Emulsion Stabilising
2 / 1
Fatty Alcohol IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon
3
Emollient, Emulsion Stabilising
Not safe for Fungal Acne Icon
4
Emollient
5
Masking, Perfuming, Skin Conditioning
4 / 0
Fragrance IconOil IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon
6
Preservative
Preservative Icon
7
Skin Conditioning
Helps hydrate Dry Skin IconMay worsen Oily Skin IconNot safe for Fungal Acne Icon
8
Emollient, Humectant, Skin Conditioning
9
Buffering, Emollient, Skin Conditioning, Skin Protecting
10
Antimicrobial, Antioxidant, Skin Conditioning, UV Absorber
Antioxidant IconOil IconNot safe for Fungal Acne Icon
11
Emollient, Emulsifying, Skin Conditioning
Not safe for Fungal Acne Icon
12
Emulsion Stabilising, Masking
13
Emulsion Stabilising
14
Masking, Refreshing
May cause irritation IconEU Allergen IconMay worsen Rosacea Icon
15
Masking, Refreshing
16
Absorbent, Emulsion Stabilising, Skin Conditioning
17
Skin Conditioning
18
Humectant, Skin Conditioning, Skin Protecting, Solvent
0 / 0
Helps hydrate Dry Skin IconHelps brighten skin Icon
19
Antioxidant
Antioxidant Icon
20
Emollient, Emulsifying
21
Skin Conditioning
22
Cleansing, Emulsifying
23
Emulsifying
24
Skin Conditioning, Solvent
25
26
Emollient, Humectant, Skin Conditioning
27
Buffering, Humectant, Skin Conditioning
AHA IconMay cause irritation IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconMay worsen Eczema IconMay worsen Rosacea IconHelps brighten skin Icon
28
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
29
Masking, Preservative
Preservative IconMay worsen Eczema Icon
30
Masking, Preservative
Preservative Icon
31
Preservative
Preservative Icon
32
Masking, Perfuming
Fragrance IconMay worsen Eczema IconMay worsen Rosacea Icon
33
Perfuming, Solvent
Fragrance Icon
34
Perfuming
Fragrance IconMay cause irritation IconEU Allergen Icon
35
Perfuming
Fragrance IconEU Allergen Icon

Ingredients Explained

This product contains 35 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: Emollient, Emulsifying, Emulsion Stabilising
Community Rating: Very Disliked

Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.

Cetearyl alcohol is an emollient. Emollients help soothe and hydrate the skin by trapping moisture.

Studies show Cetearyl alcohol is non-toxic and non-irritating. The FDA allows products labeled "alcohol-free" to have fatty alcohols.

This ingredient is usually derived from plant oils such as palm, vegetable, or coconut oils. There is debate on whether this ingredient will cause acne.

Due to the fatty acid base, this ingredient may not be Malassezia folliculitis safe.

Learn more about Cetearyl Alcohol
3
What it does: Emollient, Emulsion Stabilising

Brassica Alcohol isn't fungal acne safe.

4
What it does: Emollient

We don't have a description for Cetearyl Nonanoate.

5
What it does: Masking, Perfuming, Skin Conditioning
Community Rating: Very Disliked

Cocos Nucifera Oil is obtained from the kernels of the coconut fruit. In other words, this is coconut oil.

Coconut Oil is rich in fatty acids with lauric acid making up the majority of these. It also contains linoleic acid. Due to this high fatty acid content, coconut oil helps trap moisture and soften skin.

Despite being antibacterial, coconut oil may not be great for acne-prone skin. It is comedogenic and may clog pores. This ingredient may not be safe for malassezia or fungal acne.

Coconut Oil should not replace your sunscreen for UV protection. Studies show it only blocks about 20% of UV.

This oil is non-volatile and has a light scent.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

Learn more about Cocos Nucifera Oil
6
What it does: Preservative
Community Rating: Liked

This ingredient is a preservative and often used for it's anti-static properties. You'll most likely see this ingredient in hair conditioners.

It does not cause irritation or sensitization in leave-on products at 1-5%.

7
What it does: Skin Conditioning
Community Rating: Very Disliked

Butyrospermum Parkii Butter is a plant lipid from the fruit of the Shea Tree. It is an effective skin hydrator and emollient.

Emollients help soothe and soften your skin. It does 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.

Shea butter is rich in antioxidants. Antioxidants help fight free-radicals, or molecules that may harm the body. It is also full of fatty acids including stearic acid and linoleic acid. These acids help replenish the skin and keep skin moisturized.

While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement.

Shea butter may not be fungal acne safe. We recommend speaking with a professional if you have any concerns.

Learn more about Butyrospermum Parkii Butter
8
What it does: Emollient, Humectant, Skin Conditioning
Community Rating: Mixed

We don't have a description for Cocos Nucifera Fruit Juice.

9
What it does: Buffering, Emollient, Skin Conditioning, Skin Protecting

We don't have a description for Triticum Vulgare Protein.

10
What it does: Antimicrobial, Antioxidant, Skin Conditioning, UV Absorber
Community Rating: Liked

Calophyllum Inophyllum Seed Oil comes from the Tamanu tree. This tree grows in tropical regions of Asia and Polynesian countries such as Fiji.

Calophyllum Inophyllum Seed Oil contains many fatty acids such as linoleic, oleic, stearic, and palmitic acid. These properties help your skin stay hydrated.

As an antioxidant, Calophyllum Inophyllum Seed Oil may also slow down the signs of aging. Antioxidants help fight unstable free-radical molecules. These molecules may damage your skin cells and speed up aging. By helping to stabilize these molecules, antioxidants may help slow the signs of aging.

A study from 2015 found Tamanu oil to have antibacterial and anti-inflammatory properties.

Another study from 2009 found Tamanu Oil to help absorb UV rays. However, this should not replace your sunscreen.

Learn more about Calophyllum Inophyllum Seed Oil
11
What it does: Emollient, Emulsifying, Skin Conditioning

Hydrogenated Palm Glycerides isn't fungal acne safe.

12
What it does: Emulsion Stabilising, Masking

Guar gum is made from the guar bean, a plant native to India. It is considered a form of polysaccharide and naturally contains sugar.

This ingredient is often used to thicken a product or create a gel-like consistency.

It also has emulsion properties to help keep ingredients together.

Learn more about Cyamopsis Tetragonoloba Gum
13
What it does: Emulsion Stabilising

We don't have a description for Brassicyl Isoleucinate Esylate.

14
What it does: Masking, Refreshing
Community Rating: Very Disliked

Menthol is a compound found in mint plants, such as peppermint. In its pure form, it is a clear crystalline substance.

Menthol is known for its cooling sensation; however, the cooling is actually from your skin being sensitized. Menthol can worsen rosacea. We recommend speaking with a professional if you have concerns.

Menthol also has antimicrobial properties.

Learn more about Menthol
15
What it does: Masking, Refreshing

We don't have a description for Menthyl Lactate.

16
What it does: Absorbent, Emulsion Stabilising, Skin Conditioning
Community Rating: Liked

Maltodextrin is a polysaccharide. It is derived from starch such as rice, corn, wheat, or potato starch.

In food, Maltodextrin is used to improve the texture and thicken a product. Due to its structure, it can help create a gel texture. As an emulsion stabilizer, it helps keep the ingredients in a product together.

As a polysaccharide, Maltodextrin has moisturizing properties. Polysaccharides are a type of carbohydrate. The top layer of skin uses polysaccharides to retain water, keeping the skin hydrated.

Maltodextrin is water soluble and has a sweet taste.

Learn more about Maltodextrin
17
What it does: Skin Conditioning
Community Rating: Liked

Lactobacillus Ferment is created by fermenting the Lactobacillus bacteria. It helps keep our skin's natural barrier and microbiome healthy.

Studies show lactobacillus ferment to be effective at repairing the skin barrier. Having a healthy skin barrier helps keep your skin healthy and hydrated. It also protects against bad bacteria.

As a probiotic/prebiotic/postbiotic, Lactobacillus ferment can help regular our natural biome. In fact, one study found a lack of diversity in our natural skin biome can trigger acne.

Learn more about Lactobacillus Ferment
18
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
19
What it does: Antioxidant
Community Rating: Liked

Hydroxyacetophenone is antioxidant and helps with skin conditioning.

Antioxidants help fight off free-radical molecules. These unstable molecules may damage your skin cells. By helping stabilize free-radicals, antioxidants may help in anti-aging.

Hydroxyacetophenone boosts the efficiency of other preservatives.

Learn more about Hydroxyacetophenone
20
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
21
What it does: Skin Conditioning

We don't have a description for Propanediol Caprylate.

22
What it does: Cleansing, Emulsifying

We don't have a description for Polyquaternium-81.

23
What it does: Emulsifying

Potassium Cetyl Phosphate is the potassium salt of a mixture. This mixture consists of the esters from phosphoricacid and cetyl alcohol.

Potassium Cetyl Phosphate is an emulsifier and cleansing agent. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.

As a cleansing agent, Potassium Cetyl Phosphate helps gather oils, dirts, and pollutants from your skin. This makes it easier to rinse them away with water.

Learn more about Potassium Cetyl Phosphate
24
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.

25
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.

26
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
27
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
28
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
29
What it does: Masking, Preservative
Community Rating: Disliked

Benzoic Acid is used to preserve and adjust the pH of products.

The antimicrobial property of Benzoic Acid helps elongate a product's shelf life. Its main role is to reduce fungi growth and is not found to be effective at fighting bacteria. Therefore Benzoic Acid is always added along with other preservatives.

In its pure form, Benzoic Acid looks like a white crystalline solid. It has slight solubility in water.

The name of Benzoic Acid comes from gum benzoin, which used to be the sole source of deriving this ingredient. Benzoic Acid is the most simple aromatic carboxylic acid.

Benzoic Acid is naturally occuring in strawberries, mustard, cinnamon, and cloves. It has a slight scent but is not considered to be a fragrance.

Learn more about Benzoic Acid
30
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
31
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
32
What it does: Masking, Perfuming
Community Rating: Very Disliked

Parfum is a catch-all term for an ingredient or more that is used to give aroma to products. Parfum, or fragrance, can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "Parfum" in the ingredients list is a different mixture.

In the US, the alternative name for parfum is 'fragrance'. The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term.

For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance. One example is Calendula flower extract. Essential oil ingredients still impart a scent or 'fragrance'.

Depending on the blend, it can cause allergies and sensitivities on the skin. Some ingredients that are known EU allergens include linalool and citronellol.

Products use parfum often to give products a scent or cover up smells of different ingredients.

The bottom line is: not all fragrances/parfum/ingredients are created equally. If you are worried about fragrances, we recommend taking a closer look at an ingredient. And of course, we always recommend speaking with a professional.

Learn more about Parfum
33
What it does: Perfuming, Solvent
Community Rating: Very Disliked

Limonene is a fragrance that adds scent and taste to a formulation.

It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus".

Limonene acts as an antioxidant, meaning it helps neutralize free radicals.

When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

Learn more about Limonene
34
What it does: Perfuming
Community Rating: Very Disliked

Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.

Linalool has the same effect as Limonene when exposed to air. Oxidized linalool can cause allergies and skin sensitivity.

Linalool has a scent that is floral, spicy tropical, and citrus-like.

Learn more about Linalool
35
What it does: Perfuming

Citral is a fragrance and used to add a lemon-like scent to products. It is both naturally found in plants and created synthetically. In plants, it is commonly occurring in lemon myrtle, lemongrass, lemon tea-tree, lemon verbena, and other citruses.

The EU mandates Citral be listed separately as a fragrance. It is a known allergen and may cause contact dermatitis. Citral can also used as a masking ingredient.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

The term 'citral' is a collective term for two geometric isomers: geranial/Citral A and neral/Citral B.

Learn more about Citral
Embed Ingredients

Here's what our community thinks of the 35 ingredients in this product ✨

29% are loved or liked
9% have mixed ratings
31% are disliked or very disliked
31% have no rating yet
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The data we've presented on this page has been verified by a member of the SkinSort Team.

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