MARA Beauty Sea Moss + Stem Cells Sea Dream Firming Algae Crème Versus Skinfix Barrier+ Triple Lipid-Peptide Cream
This anti-aging moisturizer is formulated around Squalane to soften the look of wrinkles and hydrate skin.
This barrier-repair moisturizer is formulated around Butyrospermum Parkii Butter and Ceramide NP to strengthen the skin barrier and hydrate skin.
What's inside
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Palmaria Palmata Extract
Skin ProtectingWater
Skin ConditioningRicinus Communis Seed Oil
MaskingTheobroma Grandiflorum Seed Butter
Skin ConditioningPentylene Glycol
Skin ConditioningCetearyl Alcohol
EmollientGlycerin
HumectantGlyceryl Stearate
EmollientCetearyl Olivate
Citrullus Lanatus Seed Oil
EmollientMoringa Oleifera Seed Oil
EmollientGlyceryl Caprylate
EmollientSorbitan Olivate
EmulsifyingSqualane
EmollientSodium Gluconate
ChelatingSodium Lactate
BufferingCetyl Hydroxyethylcellulose
Emulsion StabilisingMaris Aqua
HumectantSodium Stearoyl Glutamate
CleansingKappaphycus Alvarezii Extract
Skin ConditioningCaprylic/Capric Triglyceride
MaskingCaprylhydroxamic Acid
ChelatingEclipta Prostrata Extract
Skin ConditioningLimnanthes Alba Seed Oil
Skin ConditioningVaccinium Myrtillus Seed Oil
Skin ConditioningOenothera Biennis Oil
EmollientCrambe Abyssinica Seed Oil
Skin ConditioningAdansonia Digitata Seed Oil
EmollientMalus Domestica Fruit Cell Culture Extract
Skin ConditioningVitis Vinifera Seed Oil
EmollientSodium Phytate
ChelatingSodium PCA
HumectantLecithin
EmollientBenzoic Acid
MaskingHydrolyzed Pinus Sibirica Seedcake Extract
Skin ConditioningGigartina Stellata Extract
Skin ProtectingChondrus Crispus Extract
Skin ConditioningSodium Nitrate
SoothingXanthan Gum
EmulsifyingCystoseira Tamariscifolia Extract
Skin ConditioningHydrated Silica
AbrasiveAlaria Esculenta Extract
Skin ProtectingSodium Benzoate
MaskingAcanthopanax Senticosus Root Extract
Skin ConditioningDisodium Phosphate
BufferingTocopherol
AntioxidantSilica Dimethyl Silylate
EmollientSodium Phosphate
BufferingPotassium Sorbate
PreservativeSodium Hydroxide
BufferingPalmaria Palmata Extract, Water, Ricinus Communis Seed Oil, Theobroma Grandiflorum Seed Butter, Pentylene Glycol, Cetearyl Alcohol, Glycerin, Glyceryl Stearate, Cetearyl Olivate, Citrullus Lanatus Seed Oil, Moringa Oleifera Seed Oil, Glyceryl Caprylate, Sorbitan Olivate, Squalane, Sodium Gluconate, Sodium Lactate, Cetyl Hydroxyethylcellulose, Maris Aqua, Sodium Stearoyl Glutamate, Kappaphycus Alvarezii Extract, Caprylic/Capric Triglyceride, Caprylhydroxamic Acid, Eclipta Prostrata Extract, Limnanthes Alba Seed Oil, Vaccinium Myrtillus Seed Oil, Oenothera Biennis Oil, Crambe Abyssinica Seed Oil, Adansonia Digitata Seed Oil, Malus Domestica Fruit Cell Culture Extract, Vitis Vinifera Seed Oil, Sodium Phytate, Sodium PCA, Lecithin, Benzoic Acid, Hydrolyzed Pinus Sibirica Seedcake Extract, Gigartina Stellata Extract, Chondrus Crispus Extract, Sodium Nitrate, Xanthan Gum, Cystoseira Tamariscifolia Extract, Hydrated Silica, Alaria Esculenta Extract, Sodium Benzoate, Acanthopanax Senticosus Root Extract, Disodium Phosphate, Tocopherol, Silica Dimethyl Silylate, Sodium Phosphate, Potassium Sorbate, Sodium Hydroxide
Water
Skin ConditioningCaprylic/Capric Triglyceride
MaskingGlycerin
HumectantButyrospermum Parkii Butter
Skin ConditioningOlus Oil
EmollientCetyl Lactate
EmollientPropanediol
SolventC12-16 Alcohols
EmollientCaprylyl Caprylate/Caprate
EmollientJojoba Oil/Macadamia Seed Oil Esters
Skin ConditioningGlyceryl Stearate Citrate
EmollientPalmitic Acid
EmollientHydrogenated Lecithin
EmulsifyingOryza Sativa Bran Extract
Skin ConditioningDilinoleic Acid/Propanediol Copolymer
EmollientSqualene
EmollientOphiopogon Japonicus Root Extract
Skin ConditioningXanthan Gum
EmulsifyingPhytosteryl Sunflowerseedate
Skin ConditioningGlycine Soja Extract
Skin ConditioningPentylene Glycol
Skin ConditioningCeramide NP
Skin ConditioningCeramide AP
Skin ConditioningCeramide EOP
Skin ConditioningHydrolyzed Rice Protein
Skin ConditioningChondrus Crispus Extract
Skin ConditioningHydrogenated Vegetable Glycerides
EmollientHelianthus Annuus Extract
EmollientSodium Hyaluronate
HumectantCitric Acid
BufferingPhytosteryl Macadamiate
Skin ConditioningTocopherol
AntioxidantRosmarinus Officinalis Leaf Extract
AntimicrobialAloe Barbadensis Leaf Juice
Skin ConditioningTrisodium Ethylenediamine Disuccinate
ChelatingPhytosterols
Skin ConditioningSodium Lauroyl Lactylate
EmulsifyingGluconolactone
ChelatingPhenethyl Alcohol
MaskingPhytosphingosine
Skin ConditioningCholesterol
EmollientCarbomer
Emulsion StabilisingPotassium Sorbate
PreservativeEthylhexylglycerin
Skin ConditioningSodium Benzoate
MaskingPhenoxyethanol
PreservativeWater, Caprylic/Capric Triglyceride, Glycerin, Butyrospermum Parkii Butter, Olus Oil, Cetyl Lactate, Propanediol, C12-16 Alcohols, Caprylyl Caprylate/Caprate, Jojoba Oil/Macadamia Seed Oil Esters, Glyceryl Stearate Citrate, Palmitic Acid, Hydrogenated Lecithin, Oryza Sativa Bran Extract, Dilinoleic Acid/Propanediol Copolymer, Squalene, Ophiopogon Japonicus Root Extract, Xanthan Gum, Phytosteryl Sunflowerseedate, Glycine Soja Extract, Pentylene Glycol, Ceramide NP, Ceramide AP, Ceramide EOP, Hydrolyzed Rice Protein, Chondrus Crispus Extract, Hydrogenated Vegetable Glycerides, Helianthus Annuus Extract, Sodium Hyaluronate, Citric Acid, Phytosteryl Macadamiate, Tocopherol, Rosmarinus Officinalis Leaf Extract, Aloe Barbadensis Leaf Juice, Trisodium Ethylenediamine Disuccinate, Phytosterols, Sodium Lauroyl Lactylate, Gluconolactone, Phenethyl Alcohol, Phytosphingosine, Cholesterol, Carbomer, Potassium Sorbate, Ethylhexylglycerin, Sodium Benzoate, Phenoxyethanol
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Caprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moisture loss.
Though it behaves like an oil, it is not technically one due to its chemical composition. One perk of this ingredient is that it is very stable, resistant to oxidation, and unlikely to go rancid.
In practice, that translates to a long shelf life and a consistently elegant skin feel.
While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this. Just patch test if you have concerns.
Fractionated coconut oil and MCT Oil are both listed as Caprylic/Capric Triglyceride according to INCI. This is because INCI names are based on the ingredient’s final chemical composition and not its marketing name or source.
This ingredient is treated as the gold standard fungal acne safe oil. Even though it is coconut derived, the problematic lauric acid is stripped out.
This leaves just caprylic (C8) and capric (C10) acid. These chain lengths actually trend antifungal; a 2020 study found caprylic acid was enough to disrupt Malassezia furfur cell membrane, with a caprylic acid derivative damaging membrane structures at concentrations as low as 0.2%.
Learn more about Caprylic/Capric TriglycerideThis ingredient comes from the red seaweed that grows along the North Atlantic. It's the same alga that gives us carrageenan, the thickener in your oat milk.
The extract is mostly big sulfated sugar molecules (polysaccharides) plus some minerals and protein.
What those sugars do is simple and useful: they hold onto water and form a light film on the skin. That means they boost hydration, add a bit of slip, and leave a soft, cushiony feel.
It also helps with texture and thickness.
You'll see claims about anti-aging and "second skin" effects but those come mostly from supplier marketing.
The real research is cell-culture stuff and there's no human trial on this ingredient specifically (yet). So for now, treat it as a nice hydrator and texture helper, not an active.
Safety-wise, it's pretty solid. The Cosmetic Ingredient Review panel rated it safe as used, human sensitization tests came back negative, and it wasn't irritating in skin or eye tests.
Typical use levels are 0.5% or lower.
You'll see algae listed as a 5/5 on a lot of pore-clogging charts and that number doesn't come from anywhere; it's not in the original rabbit-ear studies that most comedogenic ratings trace back to.
The reasoning behind the reputation is that seaweed is high in iodine and iodine can trigger acne-like breakouts when eaten. This traces back to a 1976 letter in Archives of Dermatology describing two women whose breakouts cleared after they stopped taking high-dose kelp supplements orally.
And the reaction of these two women wasn't clogged pores at all: it was an iodine-triggered pustular rash. Later research found normal dietary iodine doesn't meaningfully affect acne either and nobody has shown topical algae delivers enough iodine to matter.
What we do have is dozens of brown and red algae ingredients found to be non-irritating and non-sensitizing, and a handful of studies that found algae compounds may actually help acne.
However, plenty of people do report breaking out from algae-containing products. Skin is individual and it's worth avoiding if yours has reacted to algae before.
Learn more about Chondrus Crispus ExtractGlycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinPentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula:
Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses.
On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations.
Typical use levels in a formula run about 1-5%.
Learn more about Pentylene GlycolPotassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
This ingredient comes from potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.
Both potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.
You'll often find this ingredient used with other preservatives.
Learn more about Potassium SorbateSodium 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.
It 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 BenzoateTocopherol is a fat-soluble antioxidant known as Vitamin E.
You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.
Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.
It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.
This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.
This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.
In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.
Concentrations usually range from 0.1-1% in most leave-on products.
Learn more about TocopherolWater. 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. Remember to stay hydrated!
Learn more about WaterXanthan 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