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Overview

What they are

These products are both cruelty-free sunscreens. They have a total of 3 ingredients in common

Cool Features

They both contain hyaluronic acid

Suited For

They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin and scar healing

Free From

They both do not contain any parabens

What's Inside

They both contain common allergens, fragrances and silicones

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

Bliss Block Star Invisible Daily Sunscreen SPF 30
SOS Serum SOS SPF 50
SOS Serum SOS SPF 50
Sunscreen
British Brand United Kingdom

Ingredient Info

Click any item below to learn more and see relevant ingredients
spf rating
30

At a glance

Click on any of the items below to learn more

Benefits

Concerns

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Block Star Invisible Daily Sunscreen SPF 30
Water Skin Conditioning, Solvent

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.

Cyclopentasiloxane Emollient, Skin Conditioning, Solvent
Silicon Icon
SiliconSilicon Icon

Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.

Disliked Full details ->
Butylene Glycol Humectant, Masking, Skin Conditioning
1 / 0

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

1 Com. / 0 Irr.
Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Dicaprylyl Carbonate Emollient, Skin Conditioning

Dicaprylyl Carbonate comes from carbonic acid and caprylyl alcohol, a fatty alcohol. It is an emollient and gives skin a velvet feel. The sources of Dicaprylyl Carbonate may be synthetic or from animals.

Propylene Glycol Dicaprylate Emollient

Propylene Glycol Dicaprylate is an emollient.

Unknown Full details ->
Disiloxane Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Disiloxane is a type of silicone.

Disliked Full details ->
Dimethicone/Vinyl Dimethicone Crosspolymer Skin Conditioning

Dimethicone/Vinyl Dimethicone Crosspolymer is a silicone used to improve the texture of products and absorb oil. It does not get absorbed into the skin.

Very Disliked Full details ->
Dimethicone Emollient, Skin Conditioning, Skin Protecting
1 / 0 Silicon Icon
SiliconSilicon Icon

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

1 Com. / 0 Irr.
Very Disliked Full details ->
Peg-10 Dimethicone Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Peg-10 Dimethicone is silicone with conditioner and emulsifier properties. It mostly acts as an emollient in skincare and and humectant in haircare.

Very Disliked Full details ->
Sodium Acrylates Crosspolymer-2 Absorbent

We don't have a description for Sodium Acrylates Crosspolymer-2.

Disliked Full details ->
Polymethylsilsesquioxane
Silicon Icon
SiliconSilicon Icon

Polymethylsilsesquioxane is a silicone used as a film forming agent.

Disliked Full details ->
Butyloctyl Salicylate Skin Conditioning, Solvent
Non-Reef-Safe Icon
Non-Reef-SafeNon-Reef-Safe Icon

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

Disliked Full details ->
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer

We don't have a description for Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer.

Very Disliked Full details ->
Vaccinium Angustifolium Fruit Extract Skin Protecting, Soothing

We don't have a description for Vaccinium Angustifolium Fruit Extract.

Oenothera Biennis Flower Extract Astringent

We don't have a description for Oenothera Biennis Flower Extract.

Euterpe Oleracea Fruit Extract

This extract comes from the Cabbage Palm, AKA the Açaí berry! It has skin soothing, antioxidant, and anti-aging properties.

Hibiscus Sabdariffa Flower Extract Skin Conditioning

This extract comes from the Roselle flower, or Hibiscus Sabdariffa. Roselle flowers are rich in antioxidants and have anti-aging benefits.

Camellia Sinensis Leaf Extract Antimicrobial, Antioxidant, Astringent
Antioxidant IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconHelps fight Acne Icon
AntioxidantAntioxidant Icon 5 Benefits

Camellia Sinensis Leaf Extract is derived from the leaves of the tea plant. Black tea, green tea, and oolong tea are all harvested from this plant.

Pinus Palustris Leaf Extract Tonic

We don't have a description for Pinus Palustris Leaf Extract.

Ulmus Davidiana Root Extract Skin Conditioning

We don't have a description for Ulmus Davidiana Root Extract.

Pueraria Lobata Root Extract Humectant

We don't have a description for Pueraria Lobata Root Extract.

Enantia Chlorantha Bark Extract Skin Conditioning

We don't have a description for Enantia Chlorantha Bark Extract.

Unknown Full details ->
Lavandula Angustifolia Oil Masking, Tonic
Oil IconEU Allergen Icon
OilOil Icon EU AllergenEU Allergen Icon

Lavandula Angustifolia Oil is more commonly known as lavender essential oil. Lavandula Angustifolia is known as the English Lavender and famous for creating purple fields in Provence, France.

Very Disliked Full details ->
Rosa Canina Fruit Oil Emollient, Skin Conditioning
Oil IconGood for Scar Healing IconNot safe for Fungal Acne Icon
OilOil Icon Good for Scar HealingGood for Scar Healing Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Rosehip Oil is a nonfragrant plant oil. Rosehips are a fruit from a rose bush and are edible. This oil helps even out skin tone, has anti-aging properties, and is good for reducing inflammation.

Anthemis Nobilis Flower Oil Masking, Perfuming, Skin Conditioning
Fragrance IconOil Icon
FragranceFragrance Icon OilOil Icon

This oil is the the volatile oil distilled from the dried flower heads of the Roman Chamomile flower.

Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

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

0 Com. / 0 Irr.
Oleanolic Acid Skin Conditioning

Oleanolic acid is a type of triterpene.

Unknown Full details ->
Squalane Emollient, Skin Conditioning
1 / 0 Helps hydrate Dry Skin Icon
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon

Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.

1 Com. / 0 Irr.
Glyceryl Caprylate Emollient, Emulsifying

Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.

Aluminum Hydroxide Emollient, Humectant, Skin Protecting

Aluminum Hydroxide is a form of aluminum. It can be naturally found in nature as the mineral gibbsite. In cosmetics, Aluminum Hydroxide is used as a colorant, pH adjuster, and absorbent.

Disliked Full details ->
Polyglyceryl-6 Polyricinoleate Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Polyglyceryl-6 Polyricinoleate isn't fungal acne safe.

Unknown Full details ->
Sorbitan Caprylate Emulsifying

We don't have a description for Sorbitan Caprylate.

Unknown Full details ->
Stearic Acid Cleansing, Emulsifying, Emulsion Stabilising
2-3 / 0 May worsen Oily Skin IconNot safe for Fungal Acne Icon
2 Concerns

Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.

2-3 Com. / 0 Irr.
Very Disliked Full details ->
Synthetic Fluorphlogopite

Synthetic Fluorphlogopite is the synthethic version of mica. It consists of fluorine, aluminum and silicate.

Disliked Full details ->
Triethoxycaprylylsilane

Triethoxycaprylylsilane is a silicone used to bind and stabilize ingredients.

Disliked Full details ->
Dipropylene Glycol Masking, Solvent

Dipropylene Glycol is a synthetically created stabilizer and solvent. It is a part of the glycol class in the alcohol family.

Disliked Full details ->
1,2-Hexanediol Skin Conditioning, Solvent

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.

Dimethicone/Peg-10/15 Crosspolymer

We don't have a description for Dimethicone/Peg-10/15 Crosspolymer.

Very Disliked Full details ->
Disteardimonium Hectorite Stabilising

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

Disliked Full details ->
Magnesium Sulfate
Sulfate Icon
SulfateSulfate Icon

Magnesium Sulfate is a salt. It can be naturally found in sea water or mineral deposits.

Very Disliked Full details ->
Ethylhexylglycerin Skin Conditioning

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

CI 77492 Cosmetic Colorant

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

SOS SPF 50
Water Skin Conditioning, Solvent

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.

Ethylhexyl Salicylate UV Absorber, UV Filter
0 / 0 Chemical UV Filter IconNon-Reef-Safe IconMay worsen Rosacea Icon
Chemical UV FilterChemical UV Filter Icon 2 Concerns

Ethylhexyl Salicylate is an organic compound used to block UV rays. It primarily absorbs UVB rays but offers a small amount of UVA protection as well.

0 Com. / 0 Irr.
Disliked Full details ->
Phenylbenzimidazole Sulfonic Acid UV Absorber, UV Filter
Chemical UV Filter Icon
Chemical UV FilterChemical UV Filter Icon

This ingredient is more commonly known as Ensulizole, a chemical sunscreen ingredient.

Butyl Methoxydibenzoylmethane UV Absorber, UV Filter
Chemical UV Filter IconMay cause irritation IconMay worsen Rosacea Icon
Chemical UV FilterChemical UV Filter Icon 2 Concerns

Also known as Avobenzone, this ingredient is a chemical sunscreen filter that provides protection in the UV-A range.

Very Disliked Full details ->
Isoamyl P-Methoxycinnamate UV Absorber, UV Filter
Chemical UV Filter Icon
Chemical UV FilterChemical UV Filter Icon

Amiloxate is a chemical sunscreen absorber. It mainly protects against UV-B rays (290-320 nm) but offers a bit of UV-A protection (320-340 nm).

Disliked Full details ->
Titanium Dioxide Cosmetic Colorant, UV Absorber, UV Filter
0 / 0 Mineral UV Filter IconNon-Reef-Safe Icon
Mineral UV FilterMineral UV Filter Icon Non-Reef-SafeNon-Reef-Safe Icon

Titanium dioxide is known for its UVA and UVB protection properties. It is non-comedogenic and non-irritating. Titanium Dioxide is a physical sunscreen. Physical sunscreens reflect light and prevent it from reaching your skin.

0 Com. / 0 Irr.
Zinc Oxide Cosmetic Colorant, Skin Protecting, UV Absorber
1 / 0 Mineral UV Filter IconHelps fight Acne IconNon-Reef-Safe Icon
Mineral UV FilterMineral UV Filter Icon Helps fight AcneHelps fight Acne Icon Non-Reef-SafeNon-Reef-Safe Icon

Zinc Oxide is a mineral broad-spectrum UV filter; it is the broadest UVA and UVB reflector approved by the FDA. While it is most commonly man-made for cosmetics, it can naturally occur in zincite, a rare mineral.

1 Com. / 0 Irr.
Dimethicone Emollient, Skin Conditioning, Skin Protecting
1 / 0 Silicon Icon
SiliconSilicon Icon

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

1 Com. / 0 Irr.
Very Disliked Full details ->
Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Sodium Polyacrylate Absorbent, Emollient, Emulsion Stabilising

Sodium Polyacrylate is the sodium salt of polyacrylic acid.

Glycine Max Callus Culture Antioxidant, Humectant, Skin Conditioning
Antioxidant Icon
AntioxidantAntioxidant Icon

Glycine Max Callus Culture is an antioxidant.

Unknown Full details ->
Citric Acid Buffering, Masking
AHA IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Rosacea Icon
AHAAHA Icon 4 Benefits 2 Concerns

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

Disliked Full details ->
Hyaluronic Acid Humectant, Moisturising, Skin Conditioning
Hyaluronic Acid IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon
Hyaluronic AcidHyaluronic Acid Icon 4 Benefits May cause irritationMay cause irritation Icon

Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.

Tocopheryl Acetate Antioxidant, Skin Conditioning
0 / 0 Vitamin E IconAntioxidant IconHelps brighten skin Icon
Vitamin EVitamin E Icon AntioxidantAntioxidant Icon Helps brighten skinHelps brighten skin Icon

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.

0 Com. / 0 Irr.
Benzyl Alcohol Perfuming, Preservative, Solvent
Alcohol IconFragrance IconPreservative IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon
AlcoholAlcohol Icon FragranceFragrance Icon PreservativePreservative Icon 6 Concerns

Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.

Very Disliked Full details ->
Dehydroacetic Acid Preservative
Preservative Icon
PreservativePreservative Icon

Dehydroacetic Acid is fungicide and bactericide. It is used as a preservative in cosmetics. Preservatives help elongate the shelf life of a product.

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Skin Conditioning, Solvent
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. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
Humectant, Skin Conditioning, Skin Protecting
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
Emollient, Skin Conditioning, Skin Protecting
Very Disliked

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.

Ingredient Ratings

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

Block Star Invisible Daily Sunscreen SPF 30
12
8
18
5
liked
mixed
disliked
not rated
SOS SPF 50
6
3
6
1
liked
mixed
disliked
not rated

When to use

49 Routines
96% use in am
4% use in pm
92% use every day
When to use See routines that use it ->
7 Routines
100% use in am
0% use in pm
100% use every day