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Kosas DreamBeam Comfy Smooth Sunscreen SPF 40 Ingredients Explained

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Published on April 28, 2023

Overview

What it is

Sunscreen with 37 ingredients that contains AHA, ceramides, exfoliants, hyaluronic acid, peptides and Vitamin E

Cool Features

It is cruelty-free

Suited For

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

Free From

It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates

Fun facts

Kosas is from United States. This product is used in 9 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.

Notable Ingredients

AHA (2)
Vitamin E
Exfoliators
Ceramides
Hyaluronic Acid
Peptides

Benefits

Hydrating (3)
Redness Reducing (2)
Reduces Irritation (3)
Skin Texture
Reduces Large Pores
Anti-Aging (2)
Dark Spots
Scar Healing (2)
Brightening (4)

Concerns

Drying
May Worsen Oily Skin
Acne Trigger (2)
Irritating
Rosacea (4)
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
spf rating
40

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
Solvent
3
Masking, Skin Conditioning
4
Skin Conditioning, Solvent
Non-Reef-Safe Icon
5
Solvent
6
Cosmetic Colorant
May worsen Eczema Icon
7
Skin Conditioning
Not safe for Fungal Acne Icon
8
Emulsifying
4 / 0
May worsen Oily Skin IconNot safe for Fungal Acne Icon
9
Abrasive, Absorbent
Exfoliant IconMay worsen Eczema IconMay worsen Rosacea Icon
10
Antimicrobial, Emollient, Skin Conditioning
11
Emulsifying
Not safe for Fungal Acne Icon
12
13
Skin Conditioning, Skin Protecting, Soothing
0 / 0
Helps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon
14
Humectant, Skin Conditioning
15
Skin Conditioning, Soothing
16
Skin Conditioning
Helps hydrate Dry Skin Icon
17
Masking, Skin Conditioning, Soothing
Helps reduce irritation Icon
18
Skin Conditioning
Ceramide IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconHelps with Anti-Aging Icon
19
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
20
Humectant, Skin Conditioning
0 / 0
Hyaluronic Acid Icon
21
Skin Conditioning
Peptide IconNot safe for Fungal Acne Icon
22
Emulsion Stabilising, Masking
23
Antioxidant, Skin Conditioning
0 / 0
Vitamin E IconAntioxidant IconHelps brighten skin Icon
24
Stabilising
25
Humectant, Skin Conditioning, Skin Protecting, Solvent
0 / 0
Helps hydrate Dry Skin IconHelps brighten skin Icon
26
Emulsifying
Not safe for Fungal Acne Icon
27
Emollient, Skin Conditioning
0 / 0
Not safe for Fungal Acne Icon
28
Cleansing, Emulsifying
Bad for Acne Prone Skin IconNot safe for Fungal Acne Icon
29
Emollient, Emulsifying, Skin Conditioning
30
Emulsifying, Emulsion Stabilising, Gel Forming, Skin Conditioning
31
Masking
Can worsen Dry Skin IconBad for Acne Prone Skin IconMay worsen Rosacea Icon
32
AHA IconMay worsen Rosacea IconHelps brighten skin Icon
33
Skin Conditioning, Solvent
34
Masking
35
Cosmetic Colorant
36
Cosmetic Colorant
37
Cosmetic Colorant

Ingredients Explained

This product contains 37 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: Solvent

C13-15 Alkane is a group of alkanes with 13 to 15 carbon atoms in the alkyl chain.

It is a solvent and texture enhancer. Solvents are used to keep ingredients together in a product. They can help dissolve ingredients to stable bases or help evenly distribute ingredients throughout the product.

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

Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.

Within a product, Caprylic Triglyceride can thicken the product and make spreadability easier by dissolving clumping compounds. An added benefit of Caprylic Triglyceride is its antioxidant properties.

Caprylic Triglyceride is made by combining glycerin with coconut oil, forming a clear liquid. Caprylic Triglyceride has not been found to be toxic for human use in concentrations under 50%.

While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this.

Learn more about Caprylic/Capric Triglyceride
4
What it does: Skin Conditioning, Solvent
Community Rating: Very Disliked

Butyloctyl Salicylate is a photostabilizer, emollient and solvent. Its main purpose is to evenly spread out ingredients.

This ingredient is a common sunscreen ingredient carrier and photostabilizer. According to a manufacturer, it is suitable for carrying micro Titanium Dioxide, Zinc Oxide, and pigments.

Photostabilizers help stabilize UV-filters and prevents them from degrading quickly.

According to EU regulation, this ingredient can cause harmful effects to aquatic life.

Learn more about Butyloctyl Salicylate
5
What it does: Solvent
Community Rating: Liked

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

Propanediol is not likely to cause sensitivity and considered safe to use.

It is derived from corn or petroleum with a clear color and no scent.

Learn more about Propanediol
6
What it does: Cosmetic Colorant
Community Rating: Very Disliked

Mica refers to a group of silicate minerals. Mica crystals are easily split to give products a shimmer. These crystals are able to reflect light to temporarily give your skin a glowy look.

Mica is found to be safe. Trace amounts of heavy metals may be found in mica, but these metals are not harmful in our personal products.

Mica has been used since prehistoric times throughout the world. Ancient Egyptian, Indian, Greek, Roman, Aztec, and Chinese civilizations have used mica.

Mica can be naturally found throughout the world. However, some sources of mica may be controversial. In 2016, mica mined in the Jharkhand state in India was found to be using child labor. However, companies are able to source ethical mica affiliated with international organizations that monitor the mica supply chain.

Learn more about Mica
7
What it does: Skin Conditioning
Community Rating: Very Disliked

Polyglyceryl-2 Dipolyhydroxystearate isn't fungal acne safe.

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What it does: Emulsifying
Community Rating: Very Disliked

Polyglyceryl-3 Diisostearate is an emulsifer and emollient. It comes from Isostearic Acid and Polyglycerin-3.

As an emulsifier, it helps stabilize products by preventing oils and water from separating.

This ingredient may not be Malassezia folliculitis, or fungal acne safe.

Learn more about Polyglyceryl-3 Diisostearate
9
What it does: Abrasive, Absorbent
Community Rating: Disliked

Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.

Silica is often used for absorption and can help reduce shine when products are applied. Silica occurs in naturally in materials like clay and sandstone, and it can also be produced synthetically.

Silica is present naturally within the skin during collagen production and when reducing inflammation.

Learn more about Silica
10
What it does: Antimicrobial, Emollient, Skin Conditioning
Community Rating: Disliked

C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.

C12-15 Alkyl Benzoate is an emollient and texture enhancer. Due to its solubility, it is often used in sunscreens to help evenly distribute active ingredients.

As an emollient, C12-15 Alkyl Benzoate helps soften and hydrate your skin. Emollients create a film on your skin that traps moisture within.

This ingredient has been reported to cause eye irritation.

Learn more about C12-15 Alkyl Benzoate
11
What it does: Emulsifying
Community Rating: Very Disliked

This ingredient is an emulsifier. It is created from Polyglycerin-3 and Ricinoleic Acid.

As an emulsifier, it prevents waters and oils from separating. According to a manufacturer this ingredient is fully biodegradable.

This ingredient may not be safe for Malassezia folliculitis due to its Ricinoleic Acid base. Ricinoleic Acid is a fatty acid derived from castor oil.

Learn more about Polyglyceryl-3 Polyricinoleate
12
What it does:

We don't have a description for Galactoarabinan.

13
What it does: Skin Conditioning, Skin Protecting, Soothing
Community Rating: Loved

Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.

Some studies have shown this ingredient can promote wound healing with higher concentrations.

Allantoin is derived from the comfrey plant but produced synthetically for cosmetic products to ensure purity.

Learn more about Allantoin
14
What it does: Humectant, Skin Conditioning
Community Rating: Liked

Fructooligosaccharides is an alternative sweetener. It is often derived from the blue agave plant.

Fructooligosaccharides is a prebiotic and helps to hydrate the skin. Emerging studies are also showing fructooligosaccharides to have antioxidant properties.

As a humectant, Fructooligosaccharides helps draw moisture to the skin, helping to hydrate the skin.

Bananas, onions, garlic, asparagus, jícama, and leeks also contain fructooligosaccharides.

Learn more about Fructooligosaccharides
15
What it does: Skin Conditioning, Soothing
Community Rating: Liked

Bioflavonoids are secondary metabolites found in plants. They contain antioxidants.

Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

Foods containing high amounts of bioflavonoids include celery, peppers, berries, grapes, citrus fruits, cocoa, and more.

Learn more about Bioflavonoids
16
What it does: Skin Conditioning
Community Rating: Loved

Glycoproteins can be good for be good for dry skin.

17
What it does: Masking, Skin Conditioning, Soothing
Community Rating: Loved

Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.

Bisabolol comes from German chamomile essential oil. Synthetic Bisabolol has been shown to be less effective.

Bisabolol helps soothe skin. It does this by blocking the inflammatory signals, helping to reduce your body's reaction to irritation.

Bisabolol also interferes with the process of hyperpigmentation. This can help with reducing dark spots and uneven tone.

Bisabolol is an antioxidant. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. By fighting these free-radicals, Bisabolol may slow down signs of aging.

Studies have shown Bisabolol to have antimicrobial properties and may be a fungicide. These properties help preserve a product's shelf life.

Bisabolol also helps the absorption of other ingredients.

Learn more about Bisabolol
18
What it does: Skin Conditioning
Community Rating: Loved

Ceramide NG is a type of Ceramide. The NG stands for a sphinganine base.

Ceramides are intercellular lipids naturally found in our skin that bonds dead skin cells together to create a barrier. They are known for their ability to hold water and thus are a great ingredient for dry skin.

Ceramides are an important building block for our skin barrier. A stronger barrier helps the skin look more firm and hydrated. By bolstering the skin ceramides act as a barrier against irritating ingredients. This can help with inflammation as well.

If you would like to eat ceramides, sweet potatoes contain a small amount.

Read more about other common types of ceramides here: Ceramide AP Ceramide EOP Ceramide NP

Learn more about Ceramide Ng
19
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
20
What it does: Humectant, Skin Conditioning
Community Rating: Loved

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate
21
What it does: Skin Conditioning
Community Rating: Liked

Palmitoyl Hexapeptide-12 isn't fungal acne safe and is a peptide.

22
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
23
What it does: Antioxidant, Skin Conditioning
Community Rating: Liked

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.

Tocopheryl Acetate is commonly found in both skincare and dietary supplements.

Learn more about Tocopheryl Acetate
24
What it does: Stabilising
Community Rating: Disliked

Disteardimonium Hectorite comes from the clay mineral named hectorite. It is used to add thickness to a product.

It can also help stabilize a product by helping to disperse other ingredients.

Hectorite is a rare, white clay mineral.

Learn more about Disteardimonium Hectorite
25
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
26
What it does: Emulsifying
Community Rating: Disliked

Polyhydroxystearic Acid is a soft wax made from castor oil.

It is is a texture thickener, emulsifier, and film-former. Emulsifiers prevent ingredients from separating, such as oils and waters.

Polyhydroxystearic Acid may not be fungal acne safe.

Learn more about Polyhydroxystearic Acid
27
What it does: Emollient, Skin Conditioning
Community Rating: Very Disliked

Tribehenin comes from glycerin and behenic acid.

It is used as an emollient, or moisturizer. Emollients form a thin barrier on skin to prevent moisture from escaping.

This ingredient may not be Malassezia folliculitis, or fungal-acne safe.

Learn more about Tribehenin
28
What it does: Cleansing, Emulsifying
Community Rating: Very Disliked

Isostearic acid is a saturated fatty acid. Its structure makes it a great surfactant.

Surfactants help decrease the surface tension between two liquids. This property also makes it an effective emulsifier. Emulsifiers help prevent waters and oils from separating in a product.

Isostearic Acid is created from oleic acid.

This ingredient may not be Malassezia folliculitis, or fungal-acne safe.

Learn more about Isostearic Acid
29
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
30
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
31
What it does: Masking
Community Rating: Very Disliked

Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.

This ingredient has many purposes in skincare: thickener, emulsifier, and exfoliator.

You'll most likely find this ingredient in cleansers where it is used to create a gel-like texture. As an emulsifier, it also prevents ingredients from separating.

There is much debate on whether this ingredient is comedogenic. The short answer - comedogenic ratings don't tell the whole story. Learn more about comegodenic ratings here.

The concensus about this ingredient causing acne seems to be divided. Research is needed to understand if this ingredient does cause acne.

Scrubs may use salt as the primary exfoliating ingredient.

Learn more about Sodium Chloride
32
What it does:
Community Rating: Liked

Phytic Acid is a gentle AHA and antioxidant. The chemical makeup makes it classified as an AHA, such as lactic acid.

AHAs are chemical exfoliants that help remove dead skin cells. Phytic Acid has a slight exfoliating effect. Phytic Acid has been shown to help calm irritation. In some cases, it is a chelating agent. Chelating agents help prevent metals from binding to water, helping to stabilize the ingredients in a product.

As an antioxidant, phytic acid may help with the signs of aging. Antioxidants help neutralize free-radical molecules. These molecules may damage your skin cells.

An interesting fact about phytic acid is that it is considered an antinutrient. People do not have the enzyme needed to properly breakdown and digest phytic acid. When ingested, phytic acid binds to minerals and prevents them from being absorbed.

Read more about some other popular AHA's here:

Learn more about Phytic Acid
33
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
34
What it does: Masking
Community Rating: Very Disliked

Phenethyl Alcohol is a colorless and aromatic alohol. It is naturally occuring in essential oils.

The scent of this ingredient is floral and often compared to rose.

Like other alcohols, this ingredient helps prevent the growth of bacteria. However, its main purpose is to impact a fragrance.

Learn more about Phenethyl Alcohol
35
What it does: Cosmetic Colorant
Community Rating: Disliked

Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.

It's main function is to add a white color to cosmetics. It can also be mixed with other colors to create different shades.

Ci 77891 is commonly found in sunscreens due to its ability to block UV rays.

Learn more about CI 77891
36
What it does: Cosmetic Colorant
Community Rating: Mixed

Ci 77491 is also hydrated iron III oxide. It's sole purpose is to give a red/pink hue to products.

Iron III oxides are classified as inorganic chemicals for coloring.

Synthetically created Ci 77491 is considered safer than those naturally found. This is because the synthetically created version may contain less impurities. Iron oxides are generally non-toxic and non-allergenic.

Learn more about CI 77491
37
What it does: Cosmetic Colorant
Community Rating: Mixed

Ci 77492 is also hydrated iron III oxide. It's sole purpose is to give a yellow hue to products.

Iron III oxides are classified as inorganic chemicals for coloring.

Synthetically created Ci 77492 is considered safer than those naturally found. This is because the synthetically created version may contain less impurities. Iron oxides are generally non-toxic and non-allergenic.

Learn more about CI 77492
Embed Ingredients

Here's what our community thinks of the 37 ingredients in this product ✨

38% are loved or liked
11% have mixed ratings
43% are disliked or very disliked
8% have no rating yet

When to use

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

Directions

-Wear alone or as the perfect base for makeup.
-Warm it with hands and smooth it all over.
-Allow SPF three to five minutes to fully absorb and set before applying makeup.

-Wear alone or as the perfect base for makeup.
-Warm it with hands and smooth it all over.
-Allow SPF three to five minutes to fully absorb and set before applying makeup.

When to use

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