Bioderma Sébium Hydra Versus Bioderma Milk SPF 50+
What's inside
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningGlycerin
HumectantParaffinum Liquidum
EmollientEthylhexyl Palmitate
EmollientDipropylene Glycol
HumectantXylitol
HumectantBis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone
EmollientSodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingIsohexadecane
EmollientCaprylic/Capric Triglyceride
MaskingGlycyrrhetinic Acid
Skin ConditioningTocopheryl Acetate
AntioxidantPolysorbate 80
EmulsifyingDisodium EDTA
Allantoin
Skin ConditioningFructooligosaccharides
HumectantMannitol
HumectantPropylene Glycol
HumectantCetrimonium Bromide
AntimicrobialCeramide NP
Skin ConditioningRhamnose
HumectantGinkgo Biloba Leaf Extract
Skin ConditioningDodecyl Gallate
AntioxidantLaminaria Ochroleuca Extract
Skin ConditioningParfum
MaskingWater, Glycerin, Paraffinum Liquidum, Ethylhexyl Palmitate, Dipropylene Glycol, Xylitol, Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isohexadecane, Caprylic/Capric Triglyceride, Glycyrrhetinic Acid, Tocopheryl Acetate, Polysorbate 80, Disodium EDTA, Allantoin, Fructooligosaccharides, Mannitol, Propylene Glycol, Cetrimonium Bromide, Ceramide NP, Rhamnose, Ginkgo Biloba Leaf Extract, Dodecyl Gallate, Laminaria Ochroleuca Extract, Parfum
Octocrylene 10%
UV AbsorberMethylene Bis-Benzotriazolyl Tetramethylbutylphenol 6%
UV FilterButyl Methoxydibenzoylmethane 5%
UV AbsorberBis-Ethylhexyloxyphenol Methoxyphenyl Triazine 2.5%
Skin ConditioningWater
Skin ConditioningDicaprylyl Carbonate
EmollientCyclopentasiloxane
EmollientC20-22 Alkyl Phosphate
EmulsifyingGlyceryl Stearate
EmollientPEG-100 Stearate
SurfactantC20-22 Alcohols
Emulsion StabilisingDecyl Glucoside
CleansingCyclohexasiloxane
EmollientPentylene Glycol
Skin ConditioningHydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingPhenoxyethanol
PreservativeXanthan Gum
EmulsifyingChlorphenesin
AntimicrobialDisodium EDTA
Sodium Hydroxide
BufferingPropylene Glycol
HumectantCitric Acid
BufferingMannitol
HumectantEctoin
Skin ConditioningFructooligosaccharides
HumectantXylitol
HumectantCaprylic/Capric Triglyceride
MaskingRhamnose
HumectantLaminaria Ochroleuca Extract
Skin ConditioningOctocrylene 10%, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol 6%, Butyl Methoxydibenzoylmethane 5%, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine 2.5%, Water, Dicaprylyl Carbonate, Cyclopentasiloxane, C20-22 Alkyl Phosphate, Glyceryl Stearate, PEG-100 Stearate, C20-22 Alcohols, Decyl Glucoside, Cyclohexasiloxane, Pentylene Glycol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Phenoxyethanol, Xanthan Gum, Chlorphenesin, Disodium EDTA, Sodium Hydroxide, Propylene Glycol, Citric Acid, Mannitol, Ectoin, Fructooligosaccharides, Xylitol, Caprylic/Capric Triglyceride, Rhamnose, Laminaria Ochroleuca Extract
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 TriglycerideDisodium EDTA is a chelating agent. It grabs onto and deactivates metal ions that sneak into your products from water, packaging, or air.
This ingredient mainly works behind the scenes and helps with:
On top of that, this ingredient can counteract the effects of hard water by binding to the minerals in it.
One thing worth knowing is that Disodium EDTA has been shown to be a mild penetration enhancer. It can help other ingredients absorb into skin more effectively which can be a double-edged sword (great for actives, but can also make the active too strong if you have sensitive skin).
Clinical patch testing showed no significant skin irritation at typical use concentrations and minimal dermal absorption.
You'll most likely see this ingredient near the end of an ingredient list. It's typically found in concentrations less than 1%.
Learn more about Disodium EDTAFructooligosaccharides (FOS) are a type of prebiotic sugar with humectant and skin conditioning properties. As a humectant, they help attract and hold moisture in the skin.
FOS essentially acts as a food source for the "good" bacteria on your skin and make it harder for "bad" bacteria to thrive. A 2022 study using a reconstructured human skin model found that just 1% of FOS was enough to shift the bacteria balance in favor of beneficial species. This suggests it could help support a healthier skin microbiome over time.
This ingredient has a low sensitization risk and testing shows it does not classify as a skin irritant or sensitizer.
FOS are usually produced from sugar beets and can also be found in foods like bananas, garlic, and onions.
Learn more about FructooligosaccharidesLaminaria 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.
This ingredient contains both lipids and antioxidants. The lipids nourish the skin's barrier. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells.
This ingredient is good for soothing sensitive skin.
Many different types of algae have different benefits.
Learn more about Laminaria Ochroleuca ExtractMannitol is a sugar alcohol. It is a humectant and moisturizes the skin. In vitro (not tested on a living organism), mannitol displays antioxidant properties.
When found in aqueous solutions, mannitol tends to become acidic. This is because it loses a hydrogen ion. This is why mannitol can often be found with pH adjusting ingredients, such as sodium bicarbonate.
Fun fact: Mannitol can be found in foods as a sweetener. It can be naturally found in mushrooms, algae, fruits, and veggies.
Learn more about MannitolPropylene Glycol is a synthetic, colorless, odorless liquid that has been a staple in cosmetics for decades. It is a skin conditioning agent, humectant, and solvent.
As a humectant, it draw water to the skin to reduce flaking and restore suppleness. It's also a solvent that helps dissolve other actives and keeps formulas stable across temperature changes.
The CIR Expert Panel has confirmed this ingredient to be nontoxic and clinical studies show no sensitization at cosmetic use concentrations.
True allergic reactions are quite rare: a 15-year retrospective study of 6,751 patients found only 0.31% had a positive reaction (and less than half were considered clinically relevant).
It seemed that when sensitization does occur, it's most commonly linked to topical medication (like corticosteroids) and not cosmetics. Allergic contact dermatitis also appears largely limited to individuals with underlying skin conditions.
Overall, propylene glycol is a well-studied ingredient that most people can tolerate without issue.
Learn more about Propylene GlycolWe don't have a description for Rhamnose yet.
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. Remember to stay hydrated!
Learn more about WaterXylitol is a humectant and prebiotic. It can help with dry skin.
In studies, xylitol has been shown to improve dry skin. It decreased transepidermal water loss, or when water passes through the skin and evaporates. Xylitol also showed to help improve the biomechanical properties of the skin barrier.
The prebiotic property of xylitol may also help reinforce our skin's natural microbiome. Having a healthy microbiome prevents infection by bad bacteria and helps with hydration.
As a humectant, Xylitol helps draw moisture from both the air and from deeper skin layers. This helps keep skin hydrated.
Xylitol is a sugar alcohol and commonly used as a sugar substitute. It is naturally occurring in plants such as strawberries and pumpkin.
Learn more about Xylitol