Re’equil O Free Sunscreen SPF 50 PA+++ Versus Dot & Key Skincare Watermelon Cooling SPF 50 Sunscreen
Updated on November 29, 2023
Overview
What they are
These products are both sunscreens. They have a total of 5 ingredients in common
Cool Features
They both contain SPF
Suited For
They're both likely to be good for dry skin and brightening skin
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates
What's Inside
They both contain silicones
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Re’equil O Free Sunscreen SPF 50 PA+++ 25 ingredients
Dot & Key Skincare Watermelon Cooling SPF 50 Sunscreen 33 ingredients
At a glance
Click on any of the items below to learn more
Re’equil O Free Sunscreen SPF 50 PA+++ 25 ingredients
Dot & Key Skincare Watermelon Cooling SPF 50 Sunscreen 33 ingredients
Notable Ingredients
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Benefits
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Notable Ingredients
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This product contains 1 ingredient that may have this attribute:
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Benefits
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Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 3 ingredients that may have this attribute:
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Ingredients Side-by-side
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.
Coco-Caprylate/Caprate is created from fatty coconut alcohol, caprylic acid, and capric acid.
C13-15 Alkane is a group of alkanes with 13 to 15 carbon atoms in the alkyl chain.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Mineral UV Filter
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (Tinosorb M) is a hybrid and broad-spectrum UV ingredient. It is both a UV absorber and filter.
Diethylhexyl Butamido Triazone is a photostable UV absorber. It protects in the UVB and UVA II range. UV absorbers are an agent that absorbs UV rays. They protect your skin by using chemical reactions to convert UV rays into heat and energy.
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.
You might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Not safe for Fungal Acne
Hydrogenated Rapeseed Oil comes from the rapeseed plant. This plant is closely related to mustard, cabbage, broccoli, cauliflower and turnip.
Caprylyl/Capryl Glucoside is an alkyl glucoside. This just means it is creating by reacting alcohol and sugar. It is a cleansing and foaming ingredient.
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.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
Water, Coco-Caprylate/Caprate, Disodium Acetyl Glucosamine Phosphate, C13-15 Alkane, Neopentyl Glycol Diheptanoate, Glycerin, Diisopropyl Sebacate, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Xylitylglucoside, Diethylhexyl Butamido Triazone, C20-22 Alkyl Phosphate, Caprylhydroxamic Acid, Dimethicone, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, 2-Hydroxyethyl Acrylate, Butylene Glycol, Prunus Yedoensis Leaf Extract, Hydrogenated Rapeseed Oil, Caprylyl/Capryl Glucoside, Acacia Senegal Gum, Polyacrylate Crosspolymer-6, Trisodium Ethylenediamine Disuccinate, Arachidyl/Behenyl Alcohol, Xanthan Gum, Sodium Hydroxide
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.
2 Concerns
Ethylhexyl Methoxycinnamate is an organic compound that provides UVB protection. It often goes by the more common name of octinoxate. It is created from methoxycinnamic acid and 2-ethylhexanol.
2 Concerns
Also known as Avobenzone, this ingredient is a chemical sunscreen filter that provides protection in the UV-A range.
2 Concerns
You probably know this ingredient as Oxybenzone, a sunscreen ingredient. It is a broad-spectrum sunscreen ingredient, meaning it can protect the skin against UVB and short UVA rays. The absorption range is 270-350 nm with peak absorption at 288 and 350 nm.
Phospholipids are naturally found in our skin as they are the main component of cell membranes. Phospholipids have humectant, emollient, antioxidant properties.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Oryza Sativa Starch is an absorbent and used to mattify the skin. It is a natural carbohydrate and the main component of rice. A more common name for this ingredient is 'rice starch'.
C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.
Non-Reef-Safe
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.
2 Concerns
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.
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.
Aloe Barbadensis Leaf Juice comes from leaves of the aloe plant. Aloe Barbadensis Leaf Juice is best known for helping to soothe sunburns. It is also anti-inflammatory, moisturizing, antiseptic, and can help heal wounds.
Ethylhexyl Palmitate is created from 2-ethylhexyl alcohol and palmitic acid. It is a fatty acid ester.
Isopropyl Myristate is an emollient, thickening agent, and texture enhancer. It is created from isopropyl alcohol and myristic acid.
Citrullus Lanatus Fruit Extract comes from the watermelon. Watermelon has antioxidant and anti-inflammatory properties.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.
Sorbitan Stearate comes from sorbitol and stearic acid. Sorbitol is a type of sugar and stearic acid is a fatty acid.
Sucrose Cocoate is created from the sucrose esters of coconut acid. Coconut acid is comprised of the fatty acids of coconut oil.
Sodium Lactate is the sodium salt of lactic acid, an AHA. It is a humectant and used to adjust the pH of a product.
Glyceryl Stearate is a mix of glycerin and stearic acid.
Peg-100 Stearate is an emollient and emulsifier. PEGS are a hydrophilic polyether compound . There are 100 ethylene oxide monomers in Peg-100 Stearate. Peg-100 Stearate is polyethylene glycol ester of stearic acid.
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.
Fructooligosaccharides is an alternative sweetener. It is often derived from the blue agave plant.
Beta Vulgaris Root Extract comes from the beet root plant. Beet Root has high Vitamin C content.
Antioxidant Helps brighten skin
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.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
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.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
This is the synthetic salt of gluconic acid, a form of PHA and mild exfoliant.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Water, Ethylhexyl Methoxycinnamate, Butyl Methoxydibenzoylmethane, Benzophenone-3, Phospholipids, Butylene Glycol, Glycerin, Oryza Sativa Starch, C12-15 Alkyl Benzoate, Titanium Dioxide, Silica, Dimethicone, Aloe Barbadensis Leaf Juice, Ethylhexyl Palmitate, Isopropyl Myristate, Citrullus Lanatus Fruit Extract, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sorbitan Stearate, Sucrose Cocoate, Sodium Lactate, Glyceryl Stearate, Peg-100 Stearate, Betaine, Fructooligosaccharides, Beta Vulgaris Root Extract, Tocopheryl Acetate, Menthyl Lactate, Oxothiazolidine, Phenoxyethanol, Sodium Benzoate, Sodium Hydroxide, Sodium Gluconate, Sodium Hyaluronate
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 WaterGlycerin 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 GlycerinDimethicone 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.
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.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.
Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.
"Alkaline" refers to a high pH level. A low pH level would be considered acidic.
Learn more about Sodium HydroxideIngredient Ratings
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