Superdrug Me+ Acacia Collagen Booster Versus Osmosis Beauty Rescue Epidermal Repair Serum
Superdrug Me+ Acacia Collagen Booster Versus Osmosis Beauty Rescue Epidermal Repair Serum This hydrating serum is formulated around Allantoin to hydrate skin and strengthen the skin barrier. What's inside Benefits Concerns Ingredients Side-by-side Water Propyl
Superdrug Me+ Acacia Collagen Booster Versus Osmosis Beauty Rescue Epidermal Repair Serum
This hydrating serum is formulated around Allantoin to hydrate skin and strengthen the skin barrier.
What's inside
Benefits
Concerns
Ingredients Side-by-side
Water
Propylene Glycol
Glycerin
Polysorbate 20
Phenoxyethanol
Acacia Seyal Gum Extract
Carbomer
Allantoin
Ethylhexylglycerin
Tetrasodium Glutamate Diacetate
Potassium Sorbate
Sodium Hydroxide
Water, Propylene Glycol, Glycerin, Polysorbate 20, Phenoxyethanol, Acacia Seyal Gum Extract, Carbomer, Allantoin, Ethylhexylglycerin, Tetrasodium Glutamate Diacetate, Potassium Sorbate, Sodium Hydroxide
Ethyl Oleate
Cyclodextrin
Water, Ethyl Oleate, Cyclodextrin, Glycerin, Carbomer, Sodium Hydroxide
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Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.
Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.
It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.
Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.
A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.
Glycerin (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.
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.
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!