Updated on January 30, 2024
Overview
What they are
These products are both cruelty-free and reef safe general moisturizers. They have a total of 2 ingredients in common
Cool Features
They both contain hyaluronic acid and Vitamin E
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing
Free From
They both do not contain any oils, parabens or sulfates
What's Inside
They both contain fragrances
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
Tatcha The Water Cream 35 ingredients
OSEA Seabiotic Water Cream 45 ingredients
At a glance
Click on any of the items below to learn more
Tatcha The Water Cream 35 ingredients
OSEA Seabiotic Water Cream 45 ingredients
Notable Ingredients
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Benefits
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Concerns
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Notable Ingredients
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Benefits
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Concerns
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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.
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.
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.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Diglycerin is a humectant. It is derived from glycerin, which is naturally found in your skin.
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.
Peg-9 Polydimethylsiloxyethyl Dimethicone is a type of silicone.
Houttuynia Cordata Extract is more commonly known as Heart Leaf, Fish Mint, or Chameleon plant.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
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.
Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.
Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
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.
Tin Oxide is an inorganic oxide used to add opacity and volume to a product. In nature, it is already found in mineral form. The main ore of tin is an opaque and shiny mineral called casseterite.
We don't have a description for Dimethicone/Phenyl Vinyl Dimethicone Crosspolymer.
Antioxidant 4 Benefits May cause irritation
Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
Dipropylene Glycol is a synthetically created stabilizer and solvent. It is a part of the glycol class in the alcohol family.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
5 Concerns
Alcohol comes in many different forms. Different types of alcohol will have different effects on skin. This ingredient is usually an astringent alcohol.
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.
Limonene is a fragrance that adds scent and taste to a formulation.
2 Concerns
Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.
EU Allergen
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.
Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.
Water, Saccharomyces/Rice Ferment Filtrate, Dimethicone, Propanediol, Glycerin, Diglycerin, Diphenylsiloxy Phenyl Trimethicone, Camellia Sinensis Leaf Extract, Cladosiphon Okamuranus Extract, Peg-9 Polydimethylsiloxyethyl Dimethicone, Gold, Belamcanda Chinensis Root Extract, Rosa Multiflora Fruit Extract, Houttuynia Cordata Extract, Sophora Angustifolia Root Extract, Sodium Hyaluronate, Lecithin, Pistacia Lentiscus Gum, Sodium Chloride, Sodium Citrate, Mica, Tin Oxide, Dimethicone/Peg-10/15 Crosspolymer, Dimethicone/Phenyl Vinyl Dimethicone Crosspolymer, Tocopherol, Butylene Glycol, Ethylhexylglycerin, Dipropylene Glycol, Parfum, Alcohol, Phenoxyethanol, Limonene, Linalool, Citral, CI 77891
Rosa Damascena Flower Water comes from the Damask rose. It is a dilluted version of the Rose Essential oil.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.
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.
Isoamyl Laurate is created from isoamyl alcohol and lauric acid. It is an emollient and traps moisture underneath.
3 Concerns
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 Olivate is an emulsifier and texture enhancer. It is derived from the fatty acids of olive oil and Cetearyl alcohol, and is biodegradable.
Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.
Undaria Pinnatifida Extract comes from a kelp native to the northern Pacific Ocean. It is more commonly known as "wakame".
4 Benefits May cause irritation
Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.
Antioxidant 4 Benefits May cause irritation
Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Terminalia Ferdinandiana Fruit Extract is from the Kakadu plum. The Kakadu plum is native to northern Australia. The Kakadu plum holds the record for having the highest amount of natural vitamin C.
Laminaria Ochroleuca Extract is a type of kelp. It helps sooth and hydrate the skin. By nourishing the skin's barrier, it may also help relieve irritation.
Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.
2 Benefits
Calendula Officinalis Flower Extract comes from the common Marigold plant. This ingredient is a skin conditioner.
You might know Brassica Oleracea Italica as Broccoli. Brassica Oleracea Italica Extract can be extracted from any part of the broccoli plant.
Melia Azadirachta Flower Extract is from the Neem tree. Neem trees originate from India.
Corallina Officinalis Extract is from the red seaweed, Corallina Officinalis. This seaweed is found all over the world but is most common in the rocky shores of Great Britain and Ireland.
Aloe Barbadensis Flower Extract is an extract of the flowers of the aloe, Aloe barbadensis, Liliaceae
Ocimum Sanctum Leaf Extract comes from the Holy Basil plant. Holy Basil is native to India.
Curcuma Longa Root Extract is from the spice, turmeric. Besides being a healthy and delicious spice, turmeric also has plenty of skincare benefits. It has anti-inflammatory, antioxidant, and anti-microbial properties.
Maltodextrin is a polysaccharide. It is derived from starch such as rice, corn, wheat, or potato starch.
Fucus Vesiculosus Extract is derived from a type of brown algae.
Lactobacillus Ferment is created by fermenting the Lactobacillus bacteria. It helps keep our skin's natural barrier and microbiome healthy.
Tridecane is a lightweight emollient and fragrancing ingredient. It is a paraffin and often called a silicone alternative.
Sodium Stearoyl Glutamate is an emulsifier and helps condition the skin. It is amino acid-based.
Tetrasodium Glutamate Diacetate is a chelating agent. Chelating agents help prevent metal ions from binding to other ingredients. This helps prevent unwanted effects and reactions from a product. These metal ions may come from water and are found in miniscule amounts.
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.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
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.
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
Rosa Damascena Flower Water, Glycerin, Caprylic/Capric Triglyceride, Squalane, Isoamyl Laurate, Undecane, Cetearyl Alcohol, Hectorite, Cetearyl Olivate, Sorbitan Olivate, Glyceryl Caprylate, Undaria Pinnatifida Extract, Tremella Fuciformis Polysaccharide, Hyaluronic Acid, Betulin, Tocopherol, Pavlova Lutheri Extract, Terminalia Ferdinandiana Fruit Extract, Laminaria Ochroleuca Extract, Bisabolol, Calendula Officinalis Flower Extract, Brassica Oleracea Italica Extract, Zingiber Officinale Root Extract, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Corallina Officinalis Extract, Coccinia Indica Fruit Extract, Solanum Melongena Fruit Extract, Aloe Barbadensis Flower Extract, Ocimum Sanctum Leaf Extract, Ocimum Basilicum Flower/Leaf Extract, Curcuma Longa Root Extract, Caesalpinia Spinosa Fruit Pod Extract, Helianthus Annuus Sprout Extract, Maltodextrin, Fucus Vesiculosus Extract, Lactobacillus Ferment, Tridecane, Sodium Stearoyl Glutamate, Caprylhydroxamic Acid, Tetrasodium Glutamate Diacetate, Sodium Hydroxide, Citric Acid, Sodium Benzoate, Potassium Sorbate
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 GlycerinTocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.
Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.
You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.
There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.
Learn more about TocopherolIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Tatcha The Water Cream 35 ingredients
OSEA Seabiotic Water Cream 45 ingredients
Reviews
Here's what our community thinks
Tatcha The Water Cream 35 ingredients
peoplemover
loooveee the way this moisturizer feels. really light and sinks right into my skin (oily/combo/acne-prone), however I feel like i need to use a lot...
loooveee the way this moisturizer feels. really light and sinks right into my skin (oily/combo/acne-prone), however I feel like i need to use a lot otherwise I'll feel dry throughout the day, and its expensive
