Dr. Barbara Sturm Glow Drops Versus Dr. Barbara Sturm Hyaluronic Serum

Dr. Barbara Sturm Glow Drops Versus Dr. Barbara Sturm Hyaluronic Serum

This hydrating serum is formulated around Prunus Amygdalus Dulcis Oil to hydrate skin.

This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Prunus Amygdalus Dulcis Oil

C12-15 Alkyl Benzoate

Glycerin

Lactobacillus/Portulaca Oleracea Ferment Extract

Butylene Glycol

Glyceryl Stearate

Panthenol

Sodium Hyaluronate

Polygonum Bistorta Root Extract

Leuconostoc/Radish Root Ferment Filtrate

Biosaccharide Gum-1

Rosa Canina Fruit Extract

Cetearyl Alcohol

Stearic Acid

Carbomer

Sodium Lauroyl Glutamate

Ethylhexylglycerin

Mica

Hexylene Glycol

Sodium Hydroxide

Alcohol

Caprylic/Capric Triglyceride

Synthetic Fluorphlogopite

Pantolactone

Xanthan Gum

Ascorbyl Palmitate

Citric Acid

Ascorbic Acid

Dimethicone

Phenoxyethanol

Alumina

Tin Oxide

CI 77491

CI 77891

Water, Prunus Amygdalus Dulcis Oil, C12-15 Alkyl Benzoate, Glycerin, Lactobacillus/Portulaca Oleracea Ferment Extract, Butylene Glycol, Glyceryl Stearate, Panthenol, Sodium Hyaluronate, Polygonum Bistorta Root Extract, Leuconostoc/Radish Root Ferment Filtrate, Biosaccharide Gum-1, Rosa Canina Fruit Extract, Cetearyl Alcohol, Stearic Acid, Carbomer, Sodium Lauroyl Glutamate, Ethylhexylglycerin, Mica, Hexylene Glycol, Sodium Hydroxide, Alcohol, Caprylic/Capric Triglyceride, Synthetic Fluorphlogopite, Pantolactone, Xanthan Gum, Ascorbyl Palmitate, Citric Acid, Ascorbic Acid, Dimethicone, Phenoxyethanol, Alumina, Tin Oxide, CI 77491, CI 77891

Potassium Sorbate

Water, Butylene Glycol, Lactobacillus/Portulaca Oleracea Ferment Extract, Phenoxyethanol, Sodium Hyaluronate, Ethylhexylglycerin, Potassium Sorbate, Leuconostoc/Radish Root Ferment Filtrate

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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.

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.

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.

Lactobacillus/Portulaca Oleracea Ferment Extract is an antioxidant.

Leuconostoc/Radish Root Ferment Filtrate is a natural preservative. It comes from fermenting radish roots with a bacteria called leuconostoc. The trade name for this ingredient is Leucidal.

Leuconostoc comes from lactic acid.

This ingredient has antimicrobial properties and helps prevent the growth of bacteria in a product.

Leuconostoc is used to make the traditional Korean side-dish, kimchi. It is also used to make sourdough bread (both incredibly yummy foods).

Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).

It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.

On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.

Another perk of this ingredient is that it stays functional across a wide pH range (3-10).

You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.

Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.

Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.

Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.

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:

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

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.

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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