Dr. Althea 147 Barrier Cream Versus MediCube AGE-R Collagen Booster Gel Serum

Dr. Althea 147 Barrier Cream Versus MediCube AGE-R Collagen Booster Gel Serum

This barrier-repair moisturizer is formulated around Squalane and Ectoin to strengthen the skin barrier and hydrate skin.

This anti-aging serum is formulated around Niacinamide and Adenosine to soften the look of wrinkles.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Aloe Barbadensis Leaf Water

Butylene Glycol

Glycerin

Hydrogenated Polydecene

C14-22 Alcohols

1,2-Hexanediol

Cetyl Alcohol

Cetyl Ethylhexanoate

Squalane

Ectoin

Dicaprylyl Ether

Arachidyl Alcohol

Behenyl Alcohol

Vinyldimethicone

C12-20 Alkyl Glucoside

Sodium Polyacrylate

Hydroxyacetophenone

Arachidyl Glucoside

Ethylhexylglycerin

Sodium Stearoyl Glutamate

Carbomer

Xanthan Gum

Tromethamine

Disodium EDTA

Hydrogenated Lecithin

Coptis Japonica Root Extract

Centella Asiatica Extract

Ficus Carica Fruit Extract

Ceramide NP

Maltodextrin

Hydrolyzed Gardenia Florida Extract

Tocopherol

Betaine

Guaiazulene

Nicotinamide Adenine Dinucleotide

Betulin

Beta-Glucan

Dimethylsilanol Hyaluronate

Hydrolyzed Hyaluronic Acid

Hydrolyzed Sodium Hyaluronate

Sodium Hyaluronate

Hyaluronic Acid

Potassium Hyaluronate

Sodium Hyaluronate Crosspolymer

Hydroxypropyltrimonium Hyaluronate

Sodium Hyaluronate Dimethylsilanol

Sodium Acetylated Hyaluronate

Water, Aloe Barbadensis Leaf Water, Butylene Glycol, Glycerin, Hydrogenated Polydecene, C14-22 Alcohols, 1,2-Hexanediol, Cetyl Alcohol, Cetyl Ethylhexanoate, Squalane, Ectoin, Dicaprylyl Ether, Arachidyl Alcohol, Behenyl Alcohol, Vinyldimethicone, C12-20 Alkyl Glucoside, Sodium Polyacrylate, Hydroxyacetophenone, Arachidyl Glucoside, Ethylhexylglycerin, Sodium Stearoyl Glutamate, Carbomer, Xanthan Gum, Tromethamine, Disodium EDTA, Hydrogenated Lecithin, Coptis Japonica Root Extract, Centella Asiatica Extract, Ficus Carica Fruit Extract, Ceramide NP, Maltodextrin, Hydrolyzed Gardenia Florida Extract, Tocopherol, Betaine, Guaiazulene, Nicotinamide Adenine Dinucleotide, Betulin, Beta-Glucan, Dimethylsilanol Hyaluronate, Hydrolyzed Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate, Hyaluronic Acid, Potassium Hyaluronate, Sodium Hyaluronate Crosspolymer, Hydroxypropyltrimonium Hyaluronate, Sodium Hyaluronate Dimethylsilanol, Sodium Acetylated Hyaluronate

Methylpropanediol

Glycereth-26

Niacinamide

Polyglycerin-3

Methyl Gluceth-20

Methyl Gluceth-10

Caprylic/Capric Triglyceride

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Allantoin

C12-14 Pareth-12

Soluble Elastin

Parfum

Adenosine

Eclipta Prostrata Extract

Melia Azadirachta Leaf Extract

Soluble Collagen

Moringa Oleifera Seed Oil

Phosphatidylcholine

Sodium DNA

Atelocollagen

Desamido Collagen

Prunella Vulgaris Extract

Fucus Vesiculosus Extract

Hydrolyzed Collagen

Collagen

Collagen Amino Acids

Glycine

Serine

Procollagen

Glutamic Acid

Lysine

Alanine

Threonine

Proline

Arginine

Water, Methylpropanediol, Glycereth-26, Glycerin, Niacinamide, 1,2-Hexanediol, Polyglycerin-3, Methyl Gluceth-20, Methyl Gluceth-10, Caprylic/Capric Triglyceride, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Allantoin, C12-14 Pareth-12, Soluble Elastin, Ethylhexylglycerin, Parfum, Adenosine, Sodium Hyaluronate, Eclipta Prostrata Extract, Butylene Glycol, Melia Azadirachta Leaf Extract, Soluble Collagen, Moringa Oleifera Seed Oil, Phosphatidylcholine, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium DNA, Atelocollagen, Desamido Collagen, Ceramide NP, Prunella Vulgaris Extract, Fucus Vesiculosus Extract, Hydrolyzed Collagen, Sodium Acetylated Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Collagen, Collagen Amino Acids, Glycine, Serine, Procollagen, Glutamic Acid, Lysine, Alanine, Threonine, Proline, Arginine

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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.

1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.

It is a:

Humectant, drawing moisture into the skin

Emollient, helping to soften skin

Solvent, dispersing and stabilizing formulas

Preservative booster, enhancing the antimicrobial activity of other preservatives

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Ceramide NP (formerly known as Ceramide 3) is one of the skin's naturally occurring lipids.

Since ceramides are the major lipid components of the skin, they are crucial for maintaining skin barrier and hydration. Ceramide NP most closely mirrors the dominant kind in human skin amongst ceramide subtypes.

This ceramide works by slotting into gaps within the stratum corneum's lipid matrix to limit trans-epidermal water loss (TEWL) and shield the skin against external irritants.

A study with 312 patients found that using a ceramide-containing routine for 4 weeks reduced the severity of atopic dermatitis by over 61%.

Another clinical study in subjects aged 60 and older found that a ceramide body wash and moisturizer improved skin dryness and itchy skin in 15 days.

Overall, ceramides are considered non-irritating and safety tests have found little to no observable adverse effects from using this ingredient.

Ceramide NP is usually sourced from plants (like soybean or rice bran), or produced synthetically.

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

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.

Hyaluronic acid (HA) is a glycosaminoglycan (basically a long sugar chain) that your skin already makes on its own. In your skin, HA lives in the extracellular matrix and acts as the body's moisture reservoir.

Topically, HA is a humectant that binds water and helps skin look more plump, smooth, and hydrated.

The only catch is that HA isn't a single thing; it actually comes in a wide range of molecular weights (~50 - 2,000+ kDA) and size matters.

Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.

This is why the best HA serums blend the two sizes together so you get the best of both worlds.

The majority of cosmetic HA is produced by bacterial fermentation, typically using Streptococcus or Bacillus strains. Typical use levels in skincare sit around 0.1-2%.

A clinical study using a 0.2% low-molecular weight HA gel showed improvement in facial seborrheic dermatitis with excellent tolerance.

These are some other common types of Hyaluronic Acid:

Hydrolyzed Hyaluronic Acid is hyaluronic acid (HA) that is broken down into lower molecular weight fragments.

It's a humectant that pulls and holds water in the skin to help with hydration, plumpness, and reduce transepidermal water loss.

Because hydrolyzed hyaluronic acid is smaller in size, it can slip past your outermost layer of skin more easily than full-sized HA.

Most formulations will combine all sizes to get the best of both worlds.

Typical usage levels range from 0.01-1%. Any percentage higher than 2% might become goopy and tacky.

This ingredient is created by putting sodium hyaluronate through hydrolysis.

You might know this as 'mini' or 'ultra low-molecular weight' hyaluronic acid. The small molecule size means it is able to travel deeper in the skin.

According to studies, low molecular-weight hyaluronic acid can:

One study from 2011 found ultra-low weight HA to show pro-inflammatory properties. Another study from 2022 found it to downregulate UV-B induced inflammation.

Hydrolysis is a process of changing a molecule using water or enzymes.

This ingredient is water-soluble.

Hydroxypropyltrimonium Hyaluronate is a positively charged version of hyaluronic acid.

This small change does a lot in a formula:

Regular hyaluronic acid carries a negative charge and so does the surface of your skin. This means the two repel each other and hyaluronic acid can be washed away easily. The positive charge here does the opposite: it makes the ingredient cling to your skin (also called "substantivity") so it keeps hydrating even in rinse-off products where it lays down a light, moisture-holding film.

The research backs this up too; a 2025 clinical study on a shower gel containing 0.1% positively charged hyaluronic acid increased skin hydration by 6.6% versus the baseline and 11.1% versus the placebo. This was measured 6 hours after 1 minute of contact and rinse, and on volunteers with very dry skin.

The same team's lab work showed it adhered to skin far better than unmodified hyaluronic acid (+107% vs. low molecular weight, +23% versus high molecular weight). They also found it increased two proteins tied to skin hydration, aquaporin-3 by 16% and filaggrin by 35%.

A separate 2024 study reached a similar conclusion and credited the hydrating benefits to its film-forming properties.

Both studies used the ingredient at 0.1% which also matches how much it usually shows up in products (at fractions of a percent).

One honesty note worth keeping in mind: the published research comes from the company that manufactures the ingredient so independent data would strengthen the picture. However, the results are consistent and the mechanism makes sense.

As a Hyaluronic Acid derivative, it has a well-tolerated profile and suits most skin types.

Sodium Acetylated Hyaluronate is a type of Hyaluronic Acid.

Hyaluronic Acids help moisturize, soothe, and protect the skin.

Read about common types of Hyaluronic Acid here:

Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.

In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.

Interestingly, the size of the molecule affects its behavior:

Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.

You'll typically see concentrations between 0.1-2% for this ingredient.

Sodium Hyaluronate Crosspolymer is a crosslinked version of sodium hyaluronate. This just means it's linked into a 3D mesh network that lets it be more stable and sit on skin as a cohesive, gel-like film rather than sinking into skin.

A 2016 human skin study found crosslinked HA increased epidermal water content by 7.6% over the control group and reduced transepidermal water loss by 27.8%.

A follow-up clinical trial found that a topical crosslinked HA serum applied after fillers, microneedling, or chemical peels was well-tolerated and enhanced skin quality at 14 / 28 days.

More recent research suggests that concentrations as low as 0.03% can act as a penetration enhancer for other skincare actives.

Tromethamine (aka THAM) is a synthetic amino acid that shows up in skincare as a helper ingredient.

It functions as a pH adjuster to help neutralize acidic ingredients and set a formula's pH to the right spot.

This matters a lot because a lot of actives (like vitamin C) needs a specific pH to work well and feel comfortable on skin.

Concentration use ranges from 0.1-1.0% depending on the formula.

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!

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